— Why, David, you look so tired!
— Well, I ________an article and I must finish it tomorrow.
| A．was writing | B．will be writing | C．have been writing | D．have written |
. Michael’s new house is like a huge palace, ________ with his old one.
| A．comparing | B．compares |
| C．to compare | D．compared |
It is reported that the United States uses ________ energy as the whole of Europe.
| A．as twice | B．twice much |
| C．twice much as | D．twice as much |
. With the government’s aid, those ________ by the earthquake have moved to the new settlements.
| A．affect | B．affecting |
| C．affected | D．were affected |
I didn’t hear the phone. I ________ asleep.
| A．must be | B．must have been |
| C．should be | D．should have been |
It’s nearly seven o’clock. Jack ________ be here at any moment.
| A．must | B．need |
| C．should | D．can |