Never beforeso highly successful in his attempts to modify the weather on a very small scale.
A. man has been
B. man is
C. has man been
D. will be man
I you everything’s going to be all right.
A. insure
B. assure
C. ensure
D. sure
Although happened in that developed country sounds like science fiction, it could occur elsewhere in the world.
A. this
B. how
C. what
D. it
The students in the dormitories were forbidden, unless they had special passes,after 11 p.m.
A. staying out
B. from staying out
C. stay out
D. to stay out