Everything depends on ________ we have enough time.
. In China, a number of people__________English now, and the number __________growing year after year.
. ____________ the dinosaurs disappeared still remains a mystery.
---We are afraid we can’t finish the work____________a month. ---Just take your time.
.The little girl was____________by a____________noise at midnight.
We were shocked at the news____________a 7.1-magnitude quake struck Yushu county on April 14th.