Have you ever stopped _____ how our lie _____ if the world ran out of ol?
#97342
A
to think, would change
B
thinking, would change
C
to think, will change
D
thinking, should change
推荐题目
 The composers soon began to write musical dramas about Bible stories ______ in church.
#98725
A
to perform
B
performing
C
to be performed
D
be performed
He reached the station _____ only _____ that the train had just left. 
#98773
A
tired;learned
B
tiring;learning
C
to tire;to learn
D
tired;to learn