---- Where are your family, Bob?----- My mother is at home. My father is at school. My sister and I ____ in the school library.A is B am C are D be
- Rose isn't here today. Is she ill? -_______. I saw her at the doctor's this morning.
- Can Peter play games with us, Mrs. Hawking? - Wait a minute. He_______ a shower.
- Have you asked the policeman_______? - Yes. He told us to turn left onto Main Street. It's on the right.
Mo Yan won the Nobel Prize for Literature(文学) last year. _______ excellent he is!
- Someone is knocking at the door. Is it Ann? - It_______ be her. She is giving a performance at the theatre now.