-- I called you last night , but you didn’t answer.-- Sorry, Grace. I________I am A Singer when the phone rang.A. am watchingB. was watchingC. have watched
I think he is a student, ____?
—____ is it from here? —It’s about five minutes’ walk.
The old man lives ____ but he doesn’t feel ____.
Li Lei isn’t ____ Liu Ming.
Please be quick, or we will have no time ____ have lunch.