The accident happened _____the old man _____ a cold morning .
Work hard, ________ you’ll fail in the English exam this time.
I’m tired now. Let’s stop ________.
A :Is there _______ in today’s newspaper?B: Sorry, nothing.
A: Is the shirt made ______ cotton?B: Yes. It’s made _____ China.
There are over ______ books of all kinds in the library.