The twins almost look the same. We can hardly tell one from ______.
A. other B. another C. the other D. others
Help others whenever you can， ______ you will make the world a nicer place to live in.
A. or B. if C. and D. but
A little wine will not be ______ to your health. Just don’t drink too much.
A. helpful B. harmful C. awful D. careful
It’s really hot today. Why not ______ your jacket?
A. put off B. take off C. set off D. cut off
The concert was so wonderful that we all lost ______ in it.
A. ours B. our C. us D. ourselves
I wonder what happened ______ my mother. I haven’t heard _____ her for nearly a month.
A. on； of B. on； from C. to； of D. to； from
