.
I wonder __________ that made him so upset yesterday.
| A．it was what | B．what is it | C．what it was | D．it what is |
.Why did you take a taxi____you could come here by bus?
| A．while | B．unless | C．when | D．until |
.She was such a stubborn person that she would die ____she would admit she was wrong.
| A．when | B．until | C．after | D．before |
. Reality is not the way you wish things to be,nor the way they appear to be,_____the way they actually are.
| A．as | B．or | C．but | D．and |
. Anger is good for you, ____ you control it properly, according to new psychology research.
| A．whether | B．when | C．as long as | D．in case |
二、连词类
.---You won’t go to Kathy’s wedding party ,will you?
----Yes,_____invited.
| A．even if | B．if | C．unless | D．as |