With temperature ________ so rapidly, we could not go with the experiment. 
#4563
A
fall
B
falling
C
fallen
D
to fall
推荐题目
—What does "___________" mean?—That means, the things that people do mean more than what they say.
#4684
A
Easier said than done
B
Actions speak louder than words
C
Honesty is the best policy
D
Constant dropping wears the stone
 _______, I suppose, and the housing problems for about 280,000 low-income families in this area could be settled.
#4805
A
If you double your efforts
B
So long as you keep your spirits
C
A bit more efforts
D
Making greater efforts