—Why were you late for the class this morning? —I got up late, so I ______ the first bus.A. missed B. took C. caught
In our school library there_______ a number of books on science, and in these years the number of them_______ growing larger and larger.
The rivers will become dirtier and dirtier________ we take action to protect them.
I’m sorry to hear that quite two people died _______ the earthquake at the beginning, but later still more died ________ the diseases after the quake last year.
There will be __________one-hour documentary on CCTV8 tonight.______one- hour documentary takes a close look at the life of tigers in India.
—I really want to give up my dream of being a singer.—_________. You are so young that you still have more chances.