Only __________ as a translator____________ how important it is to understand foreign cultures.
A. when did I work; I realized
B. when I worked; I realized
C. when did I work; did I realize
D. when I worked; did I realize
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-Hangzhou, which we visited last week, is quite beautiful.-We should thank Tom. He _______ us to.
A. had persuaded
B. persuaded
C. was persuading
D. persuades
I would rather I __________ with her about it, so I will try to control my feelings tomorrow.
A. didn’t argue
B. hadn’t argued
C. wouldn't argue
D. not have argued
Housing prices______ since a few years ago. Therefore, it's time the central government ____ some effective measures to bring them under control.
A. have increased; would take
B. have increased; will take
C. have been increasing; takes
D. have been increasing; took
-Is your father still teaching at Tsinghua University?-No, he retired three months ago. But he ________________ at the school for thirty years.
A. has taught
B. has been teaching
C. taught
D. teaches