—Who is doing the work？
—Is ________ Li Ming？
| A．he |
| B．it |
| C．she |
| D．you |
Bob ______ his bedroom by himself. Look! How clean it is!
A. sweeps B. swept C. has swept
– What were you doing when I called you last night?
– I ______ my homework and was going to bed.
A. did B. had done C. was doing
– What’s that terrible noise?
– The neighbours ______ a birthday party.
A. have had B. are having C. will have
– Will you go to the party?
– Of course I will if I ______.
A. am invited B. was invited C. will be invited
Mrs Smith had to ______ her father day and night because he was seriously ill.
A. look at B. look like C. look after