— Peter, ________ do you visit your grandparents?— Twice a month.
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
— When did your school hold the sports meet? —Last week. And I _______ the high jump. A. joined B. took part in C. will join
— Must we go to see a doctor at once when we have the flu? —No,_____. A. we mustn’t B. we shouldn’t C. we don’t have to
There____ a baseball game between Class Two and Class Three tomorrow. A. will have B. is going to be C. are going to be