With time _________, I gradually realize the importance of health.
A. goes by
B. to go by
C. going by
D. went by
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Look ! The building ________ now is our teaching building .
A. being built
B. built
C. to be built
D. building
There must be many people ________ for the train at the train station because of the snow.
A. wait
B. waited
C. to wait
D. waiting
The colors of flowers are really different, ________ from bright yellows to brownish yellows.
A. ranging
B. range
C. to range
D. ranged
Weather _________, I’d like to climb mountain with my friends tomorrow.
A. to permit
B. permits
C. permitted
D. permitting