—Shall I lock the lab now before I go home?
—_____. I’ll check it myself later.
| A．Go ahead | B．No problem | C．All right | D．Don’t bother |
________ fire,all exits must be kept clear.
| A．In place of | B．Instead of | C．In case of | D．In spite of |
I wanted to catch_____early train,but couldn’t get_____ride to the station.
| A．an;the | B．/;the | C．an;/ | D．the;a |
—Could you turn the TV down a little bit?
—_______.Is it disturbing you?
| A．Take it easy | B．I’m sorry | C．Not a bit | D．It depends |
He didn’t make_____clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |
We shouldn’t spend our money testing so many people,most of _______ are healthy.
| A．that | B．which | C．what | D．whom |