Every possible means _____ to prevent the air pollution, but the sky is still not clear.
| A．is used | B．are used | C．has been used | D．have been used |
He said,“What’s the matter?”
→He asked .
| A．what the matter is | B．what the matter was |
| C．what is the matter | D．what was the matter |
They were walking around the town a place for the party.
| A．search for | B．to search for | C．searching | D．searched for |
Is that the day we’ll never forget.
| A．that | B．where | C．when | D．on which |
－What did you think of the place?
--I didn’t care for it at first, but after _____ time I got to like it．
| A．the；a | B．/；a | C．a；the | D．/；the |
He seems to be giving the information that he didn’t enjoy himself in Paris. _____, he had a wonderful time.
| A．In time | B．Now that | C．As a result | D．On the contrary |