Special attention should be paid ________our earth from________.
| A.to prevent;being polluted |
| B.to prevent;polluting |
| C.to preventing;being polluted |
| D.to preventing;polluted |
The two presidents agree with each other on the whole, but much remains______at the following meeting.
| A.discussing | B.discussed | C.to discuss | D.to be discussed |
The more one is ______the English-speaking environment, the better he or she will learn the language.
| A.exposed to | B.filled in | C.caught on | D.kept up |
As______unemployment is very high nowadays, it’s very difficult for people to find______work.
| A.the; 不填 | B.the ; a | C.不填;不填 | D.an; the |
Can you think of some cases______drivers obviously knew the traffic rules but didn’t obey them?
| A.why | B.where | C.as | D.which |
It’s so surprising to hear from my school teacher again. ______, we last met more than twenty years ago.
| A.That’s to say | B.What’s more | C.Believe it or not | D.In other words |