— Susan, would you like to go hiking with us this afternoon?— I'd love to, but I study for a test.A. may B. have to C. can
She is fond of ________. She cooks for her family everyday.A. cooking B. cook C. cooks
-Where are the boys of Class Five?-I saw them _________basketball on the playground.A. played B .playing C. to play
-Must I take part in the activity?-No, you _________.A. mustn’t B. don’t C. don’t have to
-Watching TV too much ________ bad for your eyes.A. is B. are C. was
Can you do it________?A. yourself B. your C. you