I _____ here since I moved here.
A. will work
B. worked
C. work
D. have been working
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_____six years since I began studying English.
A. They have been
B. it is
C. It was
D. There are
They ______ the Summer Palace three times.
A. have gone to
B. have been to
C. have been in
D. have gone into
"How long haven't we seen each other? ""Well, it _____ nearly two years since we ______ last. "
A. is/have met
B. was/had met
C. is/met
D. has been/had met
"Have you seen the art exhibition?" "No, _____ there. "
A. it was not being held
B. they didn't hold
C. it had not held
D. they were holding it
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