Giúp mình mấy câu được gạch chân, cảm ơn nhé

Mark the letter A,B,C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 21: Peter: - “Can I use your computer?” Anna: – “_______.” A. Well done. B. No, thanks. C. Of course D. Yes, I can Question 22: Tom: - “I’m sorry I’m late.” Mary: – “________.” A. Never mind. Go ahead B. Good to hear that. C. Don’t say so again. D. No worries. Come in, please. Mark the letter A,B,C or D to indicate the underlined part that needs correction in each of the following questions. Question 23: Digital clocks, however precise, they cannot be perfectly accurate because the earth’s rotation changes A B C slightly over years. D Question 24: On the floor of the Pacific Ocean is hundreds of flat-topped mountains more than a mile beneath sea level. A B C D Question 25: My sister told me that she had met my teacher at the supermarket yesterday.

Giúp mình mấy câu được gạch chân nhé. Mình cảm ơn

Question 5: It was ______ chance that they ended up working in the same office in the same city. A. deaf B. blind C. dumb D. dull Question 6: They ______ have seen the play last night as they went to a football match instead. A. could B. must not C. cannot D. might Question 7: We ______ for this opportunity for more than three years. A. were waiting B. have been waiting C. waited D. are waiting Question 8: I’m sorry, but I’ve got ______ much work to do to come to the beach today. A. too B. such C. enough D. so Question 9: During the week of the national tourism festival, we had visitors ______ from all over the country. A. come B. came C. coming D. to have come Question 10: Going on this diet has really ______ me good. I’ve lost weight and I feel fantastic! A. done B. taken C. made D. had Question 11: I have lived near the airport for so long now that I’ve grown ______ to the noise of the airplanes. A. accustomed B. unconscious C. familiar D. aware Question 12: - “Your kitchen is fantastic! Did you do it all by yourself?” - “No, I ______ by a professional.” A. had it designed B. have it to be designed C. had designed it D. designed it Question 13: we need to get environmentalists and businesses on the same ______ to improve things. A. book B. army C. boat D. page Question 14: All applicants must ______ their university transcript and two reference letters to be considered for this job. A. permit B. omit C. submit D. admit Question 15: Let’s not make a mountain out of a ______ , shall we?. A. molehill B. mole C. hill D. dune Question 16: It is time every student ______ harder for the coming exam. A. works B. should work C. work D. worked Mark the letter A,B,C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 17: I knew he was only flattering me because he wanted to borrow some money. A. teasing B. threatening C. praising D. elevating Question 18: The kidnapper gave himself up to the authorities. A. confided himself B. surrendered C. went up D. accommodated himself Mark the letter A,B,C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 19: My carefully laid plans had happened in a way that was arranged. A. had gone far away B. had gone awry C. had gone beyond D. had gone down Question 20: We left New York when I was six, so my recollections of it are rather faint. A. clear B. unintelligible C. explicable D. ambiguous

làm thơ về các cung liên kết trong toán học để dễ nhớ

Mark the letter A,B,C or D to indicate the word that differs from the other three in the preposition of primary stress in each of the following questions. Question 1: A. control B. involve C. tonight D. purpose Question 2: A. hurricane B. photograph C. recommend D. separate Mark the letter A,B,C or D to indicate the word whose underlined part different from the other three in pronunciation in each of the following questions. Question 3: A. hostess B. haste C. horn D. heir Question 4: A. compete B. intend C. medal D. defend

Cho 12,88 gam hh A gồm Fe và Mg vào 700ml dd AgNO3. Sau khi phản ứng hoàn toàn thu được chất rắn C nặng 48,72 gam và dưng dịch D. Cho dd NaOH dư vào dd D. Lọc tách kết tủa đem nung trong không khí đến khối lượng không đổi thu được 14 gam chất rắn E. Tính %m mỗi kim loại trong hỗn hợp bđ

4^x/2^x+y=8 và 9^x+y/3^5y = 3. Tính x.y

Trào lưu cải cách Duy Tân ko dc thực hiện đã dẫn đến những hậu quả j

Complete the text with the modals and semi-modals below. Use each word only once. can - must - have to - had to - can't - couldn't - shouldn't - were able to At times all of us (1) …………………… memorise things but not everyone has a good memory. Actors may forget their lines when they are on stage. That (2) …………………… be really embarrassing! Students sometimes study hard for exams then find that they (3) …………………… remember anything they've learned. According to scientists, the best thing to do if you want to learn something well is sleep. In one study, 84 college students (4) …………………… listen to a list of words. Immediately afterwards, they were asked to say the words they had heard. They (5) …………………… do this quite easily. However, later in the day, they (6) …………………… remember them. But the next morning - after a good night's sleep - they had no problem remembering the words again. Scientists believe that our brains (7) …………………… form memories better when we are asleep than when we are awake. It seems that students (8) …………………… stay up late studying the night before an exam. They need to get a good night's sleep instand.