Could you ___the radio a little? It’s too noisy.
| A．turn on | B．turn down | C．turn off | D．turn into |
Sarah made ______ to the airport just in time to catch her plane this morning.
| A．herself | B．this | C．that | D．it |
—Would you mind if I sit here?
— _________. It is for Mr. Brown.
| A．Not at all | B．Never mind |
| C．Better not | D．Of course not |
Now more and more workers ______their free time trying to improve themselves at school or college.
| A．take | B．cost | C．spend | D．pay |
I’m afraid physics is completely ________me and I have to ask you for help.
| A．beyond | B．over | C．against | D．off |
—How was your recent trip to Jiuzhaigou?
—I’ve never had one before.
| A．a tired | B．a more tiring |
| C．a most tiring | D．the most tired |