I _______ Beijing in a few days. Do you know when the earliest plane ________?
| A．leave; is taking off |
| B．am leaving for; takes off |
| C．is leaving off; is taking off |
| D．leaves; takes off |
________ is known to everyone, the moon travels around the earth once every month.
| A．It | B．As | C．That | D．What |
- Have you moved into the new flat?
- Not yet, the rooms __________.
| A．are being painted | B．are painted |
| C．are painting | D．are being painting |
Tony ______ his homework this morning before he went to school.
| A．has done | B．did | C．has done | D．will do |
He was about to tell me the secret _______ someone patted him on the shoulder.
| A．as | B．when | C．while | D．then |
E-mail, as well as telephones, _____ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |