I won’t go unless__________.
A. I invited
B. inviting
C. invited
D. I was invited
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__________, the crops would be saved.
A. It should rain
B. It rains
C. Should it rain
D. It will rain
It __________John and Mike who cleaned the room.
A. are
B. were
C. was
D. has been
Here__________.
A. does he come
B. he comes
C. comes he
D. is he coming
It was in the year 1925__________John Baird found a way to send pictures by wireless.
A. when
B. that
C. on which
D. which
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