I became a student ten years . I have been a student 1996.I have studied here about 10 years.A. ago, since, for B. ago ,for ,sinceC. ago, before, for D ago, in, after
---Miss Lee, I didn’t catch what you said. Could you tell me ______ again? ---OK.
Do you want to be healthy? ______. Smiling can help you stay healthy.
---George, how can you prove the earth is round? ---I can’t, sir. ______, I never said it was.
A friend is someone ______ says, “What! You too? I thought I was the only one!”
He thinks himself somebody, but we think him ______.