20 CÂU HỎI
He didn't need______ out of his room in Moscow.
A. go
B. to going
C. going
D. to go
I could not ______ it even though I had wanted to do so.
A. had bought
B. buy
C. buying
D. have bought
I left my pen in this box, but it isn’t there now. Someone______ it.
A. must have taken
B. must take
C. had to take
D. had taken
Mary received 100 dollars from her sister. She______ the ring she wanted. It only costs 10 dollars.
A. buys
B. had bought
C. bought
D. might have bought
It lost my Honda last week; I hadn't locked it. You______ it.
A. should lock
B. should have locked
C. ought to lock
D. could lock
In 1900 the world had no deaths from rabies. Scientists______ wonderful vaccine.
A. has discovered
B. discovered
C. must have discovered
D. should have discovered
Mary received 100 dollars from her sister. She______ the computer she wanted. It costs 200 dollars.
A. wouldn't buy
B. hadn't bought
C. couldn't have bought
D. didn't buy
Once Helen failed in her exam. She played too much. She______ too much.
A. shouldn't have played
B. should play
C. shouldn't play
D. wouldn't have played
If I had liked that watch, may be I ______ bought it.
A. will have
B. must have
C. would have
D. shall have
Did my sister tell you that I had been to Dalat?
A. might have
B. could have
C. would have
D. must have
The women of this tribe______ precious ornaments for slat because they didn’t have any salt.
A. have traded
B. traded
C. would have traded
D. could trade
I took my only son to the park but he didn't like it. You ______ him to the zoo.
A. should take
B. had to take
C. took
D. should have taken
We are now wet. You______ the raincoats with you.
A. should bring
B. should have brought
C. must bring
D. have to bring
The yard is wet. It______ last night.
A. must rain
B. must have rain
C. must have rained
D. had to rain
Many birds will______ more than 3,000 miles to reach their winter homes.
A. flying
B. fly
C. be fly
D. flew
The pen won't write; it______ out of ink.
A. must run
B. must be running
C. must have run
D. must have ran
The line is busy; someone______ the telephone now.
A. must be using
B. must have used
C. must used
D. must have been using
Bob is absent; he______ sick gain now.
A. must have been
B. must be
C. must be being
D. must being
He______ his j ob because he seems very happy.
A. would like
B. can like
C. will like
D. must like
She told me that she'd rather______ on the committee.
A. not to serve
B. not serving
C. not serve
D. serving not