Mr.Wilson asked me if these islands ______ to Japan.
A. belong
B. are belonging
C. are belonged
D. have been belonged
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Before the end of the nineties, air pollution ______ a serious problem that endangers the health of the human race.
A. will be become
B. will become
C. will have become
D. will have been become
The train ______ at eight tonight.
A. will be started
B. will have started
C. shall be started
D. starts
We ______ an English evening tonight.
A. are being having
B. are having
C. will be had
D. shall be had
They ______ for Beijing for practice.
A. are leaving
B. are being left
C. will have left
D. will be left
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