Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
My mother often ………. the carpets at the weekends.
A.vacuums
B.trashes
C.makes
D.tidies

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
It does not take him much time to do the _____ because he has a washing machine.
A.ironing
B.laundry
C.clothes
D.cleaning

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
He ………. all the furniture and then polished it.
A.washed
B.ironed
C.dusted
D.mopped

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
My sister likes to make the ………. after getting up.
A.dishwasher
B.cooker
C.bed
D.washing machine

Chiếu ánh sáng từ môi trường A vào môi trường B với góc tới $ {{30}^ o } $ thì thu được góc khúc xạ $ {{45}^ o } $ . Chọn phát biểu đúng?
A.Chiết suất của môi trường B lớn hơn môi trường A.
B.Môi trường A chiết quang hơn môi trường B.
C.Môi trường B chiết quang hơn môi trường A.
D.Chiết suất của môi trường A nhỏ hơn môi trường B

Chiết suất tuyệt đối của một môi trường truyền ánh sáng
A.luôn nhỏ hơn 1.
B.luôn lớn hơn 1.
C.luôn bằng 1.
D.luôn lớn hơn 0.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
A woman’s job is to ………. everybody in the family and take care of the house.
A.tidy
B.feed
C.watch out
D.look after

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
My sister and I take turns ………. the table for meals.
A.laying
B.mending
C.making
D.polishing

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Lan loves animals so she ………. the cats and dogs after each meal.
A.feeds
B.washes up
C.cleans
D.sweeps

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
He likes ………. the house plants to see them growing.
A.making
B.washing
C.polishing
D.watering