mọi người giúp mình câu này vs giải hpt

ai giải giúp mình 2 cau này với ạ :((

làm hộ mình 2 bài nay nha cảm ơn

43.None of the counterfeit money ______. A.is found B.were found C.has been found D.have been found 44.John, along with twenty students, ______ a party. A.plan B.have planned C.is planning D.are planning 45.Anybody who _____ their ticket should report to the desk. A. loses B.is losing C.has lost D.have lost 46.None of the students ______ the exam yet. A.is finishing B.are finishing C.have finished D.has finished 47.The effects of that crime ______ likely to be devastating A.is B.are C.has been D.have been 48.The majority of students _____ him to be innocent. A.believe B.believes C.is believing D.are believing 49.Skating _____ more popular every day. A.become B.is becoming C.are becoming D.have become 50.I _____ some people who _____ my sister. A.meet - know B. met - knows C. met - know D. meet -has known 51. The quality of these recordings______ very good. A. is not B. are not C. were not D. have not been 52. Writing many letters ______ her happy A. make B. makes C. have made D. are making 53. A number of reporters______ at the conference yesterday A. was B. is C. were D. have been 54. The crowd at the baseketball game ______ will with excitement. A. is B. were C. was D. has been 55. Each student _______ answered the first three questions. A. have B. has C. is D. are 56. The young ______ the future in their hand. A. have B. has C. are having D. is having 57. Half of the students _______ English. A. is B. are C. have been D. has been 58. The picture of the soldiers ________ back many memories. A. bring B. brings C. have brought D. has brought 59. “ Gulliver’s Travel” _____ an amusing book. A. is B. are C. has been D. have been 60. Neither the director nor the secretary ______ to leave yet. A. want B. wants C. is wanting D. are wanting

Giải hộ mình bài 2 với ạ cán ơn

Một bể bơi hình hộp chữ nhật có số đo chiều dài 22,5 m và số đo chiều rộng là 16,8 m nếu bể chứa 567000 lít nước thì mực nước lặng yên lên tới 3/5 chiều cao của bể để .tính : a, chiều cao của bể bơi đó là (1dm³=1 lít ) b, người ta Lát gạch men xung quanh và đáy bể để. tính diện tích Lát gạch men.

* GIẢI THÍCH RÕ RÀNG PHẦN I : BÀI TẬP VỀ SỰ HÒA HỢP GIỮA CHỦ NGỮ VÀ ĐỘNG TỪ TEST 1: Choose the best answer: 26.Why _____ the police standing over there? A. is B.are C.was D.were 27.Geography _____ fascinating. Mathematics ______ fascinating A.is - is B.is - are C.are - is D.are - are 28.What _____ the population of Canada?. A.is B.are C.have D.has 29.The most common name for dogs in the United States _____ “ Roger”. A. is B.are C.were D.have been 30.Most of the water in the world ____ salt water. What percentage of the water in the world _______ fresh water. A.is - is B.is - are C.are – is D.are - are 31.The study of language ______ very interesting. A. is B.are C.were D.have been 32.Several theories on this subject ______. A.are proposed B. was proposed C. has been proposed D. have been proposed 33. Mr. Robbins, accompanied by his wife and children, ______ tonight . A. arrives B.arriving C.is arriving D.are arriving 34.Everyone who ______ a ticket should be in this line. A.don’t purchase B. doesn’t purchase C. hasn’t purchase D.haven’t purchase 35.Neither John nor Bill ____ to the beach today A.go B.have gone C. is going D. are going 36.Everybody in our class ……………………………… very friendly A. seems to be B. seems to C. seem be D. seems is 37.Writing many letters ______ her happy. A.make B.makes C.have made D.are making 38.The number of days in a week ______ seven. A. is B. are C.was D.has been 39.Seventy dollars ____ too much to pay for that shirt. A. is B.are C.were D.have been 40.A number of students ______ to the class picnic. A.is going B.are going C.has gone D.was going 41.Either John or his wife _____ breakfast each morning. A.make B.makes C.is making D.are making 42.Fifty minutes _____ enough time to finish this test. A.isn’t B.aren’t C.haven’t been D.weren’t

Giải giúp mình bài 1 bài 2 với .thank

* GIẢI THÍCH RÕ RÀNG PHẦN I : BÀI TẬP VỀ SỰ HÒA HỢP GIỮA CHỦ NGỮ VÀ ĐỘNG TỪ TEST 1: Choose the best answer: 11.The vegetables in the bowl on the table ____ fresh. A.looks B.smells C.is D.are 12.Everyone in the class ______ attention. A.pay B.were paying C.is paying D.are paying 13.The dishes on the counter _______. A. is B. are c. was D. has been 14.Each person _____ to bring identification. A. need B.needs C.is needing D. are needing 15.The people next door______hiking every weekend in the summer. A. have gone B.are going C.go D.goes 16.My father and mother ______ for the same company. A. work B.works C.is going to work D.has worked 17.The pictures on the wall ______ of my father’s family A. is B.are C.was` D.has been 18.The students who _____ in my class _____ from many countries. A.is - come B.is- comes C.are – come D.are- comes 19.There _____ two studentsin my class who _____ Portuguese. A. is – speak B.is - speaks C.are- speak D.are- speaks 20.The student who _____ talking to the teacher ______ from Vietnam. A.is - is B.is - are C.are - is D.are - are 21.Most of the mountain peaks in the Himalayan range ______ with snow the year around. A. cover B.covers C.is covered D.are covered 22.The United States of America _____ of fifty separate states. A. consist B.consists C.is consisting D.are consisting 23.Two hours _______ too long to wait, don’t you think?. A. is B.are C.were D.have been 24.______ Portuguese spoken in Brazil? A. hasn’t B.haven’t C.isn’t D.aren’t 25.A lot of Brazillians_______ Spanish. A. speak and understand B. speaks and understands C. speak and understand D. speak and understands

Chứng minh rằng 8( $a^{4}$ + $b^{4}$ ) ≥ $(a+b)^{4}$