--Must we move to the next room?
--No, you____________ . You may still live here if you like.
| A．mustn't | B．don't | C．don't have to | D．won't |
Three fourths of the ________ in the country have run out.
| A．water | B．book | C．forests | D．news |
I don’t know _________ the problem.
| A．how deal with | B．how to deal with |
| C．what to deal with | D．what do with |
Hainan is a very good island. It’s the second ________ island in China.
| A．largest | B．large | C．larger | D．most large |
The accident happened ________ a cold winter morning.
| A．in | B．at | C．of | D．on |
— ________ fine weather it is today!
— Let’s go for a picnic.
| A．What | B．How | C．What a | D．How a |