Peter is _____because he hardly ever exercises.
| A．tired | B．happy | C．healthy | D．unhealthy |
You’d better not read ________ the sun. It’s bad for your eyes.
A. on B. in C. at
Pop music often comes and goes ________.
A. slowly B. quickly C. loudly
―Would you mind ______ me how to swim?
―Not at all.
A. teach B. to teach C. teaching
I’m going to play_______ football this afternoon.
A. a B. / C. the
I’ll takethe shoes.
| A．pairs of | B．pair of |
| C．a pair | D．a pair of |