With temperature ________ so rapidly, we could not go with the experiment. 
#4563
A
fall
B
falling
C
fallen
D
to fall
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“It looks as if he were drunk.” “So it does. _____.”
#4953
A
He’d better give up drinking
B
He shouldn’t have drunk so much
C
Health is more important than drink
D
I wonder why he is always doing so