Five athletes competed_____ the gold medal _____ each other _____ the 100-meter dash.
| A．to , with, in | B．at ,against, by | C．of, at, because | D．for, with, in |
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 |
— I’m afraid I can’t finish the book within this week. —______.
| A．Please go ahead | B．That’s right | C．Not at all | D．Take your time |