My friend Tom _______me __________ for an hour yesterday.
| A．keep; wait | B．keeping; waited |
| C．kept; waiting | D．keeps; to wait |
—Look! A book is on the floor. Whose is it?
—It ______be Rick's. It has his name on it.
| A．mustn't | B．can't | C．must | D．need |
—______ hard Tony is working!
—Yes. We should learn from him.
| A．What | B．How | C．What a | D．How a |
It's 9:30 pm, children! ______ is time to go to bed.
| A．That | B．It | C．This | D．They |
Attention please. The plane will ______ in five minutes.
| A．take out | B．take after | C．take off | D．take care |
There are many flowers and trees on ______sides of the Century Road.
| A．each | B．every | C．both | D．all |