It is noisy here. I need a place to study in.
| A．busier | B．cleaner |
| C．safer | D．quieter |
－________ have you been like this?
－Three days.
A. How long B. How far C. How many
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