Mike对你说“How are you?”你该怎样回答:A.I’m OK. B.How are you? C.Nice to meet you.
Animals and plants live Earth. A. on B. on the C. in the
There are books in our library. A. many and manyB. more and more C. some and some
We should not cuttrees. A. off B. upC. down
The weather is gettingin August. A. more hot B. hoterC. hotter
Trees can keepcool. A. usB. weC. our