I can’t tell you the exact time when I will get there, maybe at eight or at nine or still later._______, I’ll be there as early as I can.
| A．Anyhow | B．Thus | C．Therefore | D．However |
—The bedroom is too dirty.______ we clean it?
—Of course.
| A．Will | B．Shall | C．Would | D．Do |
We can’t ______ the car.There ______ something wrong with the engine.
| A．drive;must be | B．start;must be |
| C．start;has | D．begin;must have |
Jane told me she would not attend the conference ______.
| A．if she invited | B．when inviting |
| C．unless invited | D．while inviting |
Without facts,we cannot form a worthwhile opinion,for we need to have factual knowledge ______ our thinking.
| A．upon which to base | B．which to be based on |
| C．which to base on | D．to which to be based on |
They said that they ______ a wonderful time in Beijing and they hoped to be there again.
| A．had | B．would have |
| C．would have had | D．could have |