Computers must be of great use to ________ doing the scientific research.
| A．these | B．whoever |
| C．those | D．whomever |
-Can I come to see you at ten o'clock, John?
-I'm sorry, Jo, but I __________ my uncle then.
| A．visited |
| B．will visit |
| C．will be visiting |
| D．am visiting |
-The train will arrive at the station in half an hour. Who __________ for us?
-I am sure Dad will be standing there when we get off the train.
| A．will be waiting |
| B．was to wait |
| C．wait |
| D．was about to wait |
I feel so excited! At this time tomorrow morning, I __________ to Shanghai.
| A．will be flying |
| B．will fly |
| C．have been flying |
| D．have flown |
Because of the money that has been collected by non-profit performance, the people in the disaster-stricken area __________ their home very soon.
| A．will be rebuilding |
| B．will be rebuilt |
| C．will have rebuilt |
| D．have rebuilt |
-Hi, Lily. Don't forget to watch I'm a Big Star at 10:00 this Friday night ！
-What a pity ！ I __________ in a plane to Hainan for a meeting then.
| A．will sit |
| B．will be sitting |
| C．am sitting |
| D．sit |