At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions ______ it was too late.
| A．when | B．after | C．until | D．before |
We should spend the money on something that will ________ everyone.
| A．benefit to | B．benefit from | C．benefit | D．beneficial |
33 _______ most young students of his time, he has developed an interest in art
| A．Dislike | B．In common | C．Unlike | D．As |
—My teacher punished me this morning.
—Why? You’ve done nothing wrong, ______ I can see.
| A．as long as | B．as soon as |
| C．as well as | D．as far as |
I am really upset about tomorrow’s exam. I am always so slow.
_______! You can pass it. You have been working hard on it, haven’t you?
| A．Go ahead | B．Just feel at home | C．Are you kidding | D．Cheer up |
The heavy rain ______ us ______ going there.
| A．kept; 不填 | B．protected;from | C．prevented; from | D．forbade（禁止）; from |