The reason ________ he was late for the meeting was _______ his car had broken down on the road.
| A．why; because | B．why; that | C．that; that | D．for which; because |
--Will you be this afternoon, John?
--It depends. I’m afraid I’ll be called by my manager.
| A．convenient | B．suitable | C．accurate | D．available |
Mary is such a lovely girl many of her classmates are willing to help when necessary.
| A．that | B．what | C．whom | D．as |
You fail to pass the entrance examination if you don’t study harder.
| A．shall | B．could | C．must | D．should |
I was surprised by her words, which made me recognize silly the mistakes were.
| A．what | B．that | C．how | D．which |
All these people are now making an active to improve our environment.
| A．effect | B．effort | C．decision | D．affect |