——What do you think of the book?
——Oh, excellent. I never doubt_____ It is worth _____a second time.
| A．if ; reading | B．whether ;to be read |
| C．if ; being read | D．that ; reading |
－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
―______ he ______ with us this afternoon?
―Yes, he is.
A. Is, go to skate. B. Does, going to skate C. Is, going to skate