—Can we meet tomorrow morning?
—Not in the morning, I’m afraid. I ___________.
| A．will be working | B．will work | C．am about to work | D．am going to work |
_____ is known to everybody that the moon travels round the earth.
| A．It | B．As | C．When | D．Where |
Was it during the summer vacation ______ he went to Shanghai?
| A．that | B．when | C．where | D．which |
We prefer__________alone rather than__________.
| A．staying; go out | B．staying; going out |
| C．to stay; to go out | D．to stay; go out |
This is my dear teacher without_________help I couldn’t have passed that difficult exam.
| A．who | B．whom | C．whose | D．That |
Mr. Black _______Shanghai in a few days. Do you know when the earliest plane _______ on Sunday.
| A．leaves; takes off | B．is leaving; takes off |
| C．is leaving; is taking off | D．leaves; is taking off |