When we hurried to the meeting room, the meeting _______.
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A
had begun
B
had been on
C
has begun
D
has been on
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A moment, please．I’m checking if Mr. Smith _________ free tomorrow．
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A
is
B
being
C
to be
D
will be
The life we were used to __________ greatly since 1992.
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A
change
B
has changed
C
changing
D
have changed
Shirley ______ a book about Tibet last year, but I don’t know whether she has finished it.
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A
has written
B
wrote
C
had written
D
was writing
Our teacher said that light______ faster than sound.
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A
travel
B
travels
C
travelled
D
is travelling