Gina used to ______ on weekends, but now she is used to ____ insects with her friends.A. watch TV; studyingB. watching TV; studyingC. watch TV; study
There was a rainstorm yesterday. The flood _____ the old bridge over the small river.
She finished the work _____ as soon as possible. She’s very happy now.
It’s a good song, _____ the lyrics(歌词)are not good enough.
—Do you know him? —I’m sure I’ve seen him _____, but I can’t remember the right place.
What can we students do _____ the environment?