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