My brother spent about two days________the project．
| A．for |
| B．with |
| C．in |
| D．on |
－When shall we meet?
－Let’s_________ it half past eight.
A. make B. do C. have
－________ 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