It’s more_______ to climb the tall tree, be careful.
| A．danger | B．dangerous | C．busy | D．difficult |
---This dress is a little . Can you show me another one?
--- What about the orange one?
| A．cheap | B．high | C．low | D．expensive |
--- 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 |