Ministry of Healthy has looked into the case________15 people have confirmed
HCV in Yicheng hospital in Anqing.
| A．which; affecting | B．what; affected |
| C．where; affected | D．when; to affect |
________ your composition carefully, some spelling mistakes can be avoided.
| A．Having checked | B．Checking | C．If you check | D．To check |
Ray is a new graduate, and it seems that he has difficulty in dealing with ________ problems arise.
| A．whichever | B．whenever | C．whatever | D．wherever |
- These apples look very beautiful.
- They ________. See the price $ 3.99 a pound. Very expensive, aren’t they?
| A．should | B．would | C．could | D．might |
- Have you known each other for long?
- Not really. ________ we started to work in this school.
| A．Just after | B．Just when | C．Ever since | D．Just before |
________ with some research materials, he decided on three possible approaches in his experiment.
| A．Preparing | B．Prepared | C．Having prepared | D．Prepare |