---What made him so upset?
-----_________
| A．Failing in the test | B．He failed in the test |
| C．Because he failed in the test | D．To fail in the test. |
__________ full preparations, we decided to put off the meeting till next week.
| A．We did not make | B．Having not made |
| C．We had not made | D．Not having made |
In such dry weather, the flowers will have to be watered if they ____________
| A．have survived | B．are to survive |
| C．would survive | D．will survive |
It is the protection for the trees___________ really matters, rather than how many trees are planted.
| A．what | B．that | C．不填 | D．which |
We can’t go on with the experiment because the computer_________.
| A．hasn’t been repaired | B．hasn’t repaired |
| C．is not repaired | D．hadn’t been repaired |
The two sides have finally___________, though some small differences still exist.
| A．made a decision | B．reached an agreement |
| C．settled down | D．broken up |