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Verb Tenses
Chọn câu trả lời thích hợp nhất.

1) Nick learned from his science class that water ________ at 100 degrees centigrade.
boiled
boils
boil
is boiling
2) We will play golf on Sunday if it __________.
doesn't rain
won't rain
didn't
wouldn't
3) We'll begin when you ______ ready.
will be
have
have been
are
4) Great changes __________ in China since 1980.
has taken place
have taken place
have been taken place
took place
5) He _______ when we got there.
would have already arrived
will already arrive
had already arrived
has already arrived
6) You are finally back. Where ___________?
have you gone
you went
did you went
have you been
7) How many times ______ you ______ to Los Angeles?
have ... gone
have ... been
had ... been
had ... gone
8) I wondered if they _________ for Chicago next month.
are leaving
will leave
were leaving
had left
9) The man I __________ yesterday is my high school teacher.
10) The man I __________ yesterday is my high school teacher.
came across
come across
has come across
had come across
11) My watch is new. It ______ perfect time.
kept
had kept
keeps
will keep



      
 

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