I found there was only one copy of “Bighead Son and Small-head Father” on the bookshelf, so I decided to buy _______ at once.
—are you? — I’m fine. A. How B. How old C. What
— Don’t be late next time! —______. A. Sorry, I won’t B. Sorry, I don’t C. Not at all
— _____ do you go swimming with your father, Jane? —About once a week. A. How long B. How many times C. How often
Peter will take part in the boys’_____ tomorrow. A.800-meter race B. 800-meter races C. 800- meter- races
— What should we do to prevent the flu? —We should keep our rooms_____ and the air fresh all the time. A. cleaning B. cleaned C. clean