He ________English for ten years before he ______to teach you in 1997.
A. had studied, came
B. has studied, comes
C. studied, came
D. has studied, has come
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.I ______ him since he left Tianjin.
A. had not seen
B. saw
C. haven’t seen
D. would see
Great changes ______in our college since 1977.
A. occurred
B. are occurring
C. have occurred
D. have been occurred
He ____ here for five minutes.
A. has come
B. had arrived
C. has been
D. came
The little girl often talks with______.
A. herself
B. myself
C. ourselves
D. himself
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