–Look! Someone is cutting a tree on the moon.
–It _______ be true, Granny. Our teacher says there is no air there.
| A．can't | B．mustn't | C．may | D．should |
--- Excuse me, sir. Would you please the total cost of the trip?
--- All right, I will make it at once.
| A．look out | B．put out | C．go out | D．work out |
--- How _____ hours do you sleep a day?
--- Well, about eight hours. But how _____ sleep do we students really need?
| A．many; many | B．much; much | C．much; many | D．many; much |
--- Must I do the rest of the work today?
--- No. You _________finish it tomorrow.
| A．must | B．can | C．needn’t | D．can’t |
--- Do you know Shenzhou X is flying in space?
--- exciting news!
| A．What | B．What a | C．How | D．How a |
--- Which of the following words has the same sound as the “ed” in the word “danced”?
--- Let me see. That’s .
| A．passed | B．listened | C．chatted | D．needed |