I didn’t hear the phone. I ________ asleep.
| A．must be | B．must have been |
| C．should be | D．should have been |
There were a lot of people standing at the door and the small girl couldn’t get _______
| A．between | B．through | C．across | D．beyond |
The traditional view is ______ we sleep because our brain is “programmed” to make us do so.
| A．when |
| B．why |
| C．whether |
| D．that |
‘Excuse me for breaking in, ______ I have some news for you.
| A．so |
| B．and |
| C．but |
| D．yet |
He found it increasingly difficult to read, _____ his eyesight was beginning to fail.
| A．and |
| B．for |
| C．but |
| D．or |
I’d like to study law at university _______ my cousin prefers geography.
| A．though | B．as | C．while | D．for |