I_______ my homework at nine o'clock last Sunday morning.
A. am doing B. was doing C. do
What do you want to be in the future, Nick?
—I want to be _____ pilot. It is_____ exciting job.
A. a, a B. a, an C.the, an
Mr. Black is rich, ________ he is not happy.
| A．and | B．or | C．but | D．不填 |
________ call me Mimi! It's my cat's name.
| A．Not | B．Didn't | C．Doesn't | D．Don't |
________ tall the girl is!
| A．How | B．How a | C．What | D．What a |
We are sure that our football players will do________ best.
| A．their | B．they |
| C．them | D．themselves |