Look! She is laughing. She...........something funny or happy.
A. must have B. must have had C. could have had D. should have had
Đáp án A
Giải thích:
must+ V.inf: dùng để đưa ra dự đoán điều gì chắc chắn xảy ra trong hiện tại
must have P2: dùng để đưa ra dự đoán điều gì chắc chắn xảy ra trong quá khứ
could have P2; dùng để đưa ra dự đoán điều gì có thể đã xảy ra trong quá khứ
should have P2: để diễn đạt một lời khuyên ai đó lẽ ra nên làm gì trong quá khứ (nhưng thực tế người đó đã không làm).
Hiking the trail to the peak .........be dangerous if you are not well prepared for dramatic weather changes.
A. might B. should C. had better D. mustn't
Hoa ’s new school is....... than her old school.
A. big
B. bigger
C.the biggest.
D.the bigger
She..........a lot after her husband's accident. That was why her eyes were so red and swollen
A. must be crying B. can have been cried C. will have cried D. must have cried
You.....the air pressure in your tires if you do not want to get a flat tire on your trip.
A. should be checked B. do not have to check C. mustn't check D. ought to check
Look! They_________baseball.
A.to play
B.play
C. are playing
D.plays
Does Nam play soccer_____recess ?
A.in
B.on
C. at
D. with
Lan’s grades are poor. She ____study harder
A. can
B. should
C. maybe
D. will
Nga is____a play for the school anniversary celebration.
A.making
B.doing
C. rehearsing
D. practicing
In _____, We do some experiments.
A. Math
B. History
C. Chemistry
D. English
Would you like_____ to music?
A.listening
B. listen
C. to listen
D. listens
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