Which is ________ , the sun or the earth?
-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