13.A:Mum,must I wash the dishes now?
B:No,you______.You may do it after you watch the TV news.( )
B:No,you______.You may do it after you watch the TV news.( )
| A. | can't | B. | won't | C. | mustn't | D. | needn't |
12.We are glad to see that our city is developing ______ these years than ever before.( )
| A. | much more quickly | B. | quickly | ||
| C. | much quicker | D. | most quickly |
11.______of the earth is covered with water.( )
| A. | two-three | B. | two-third | C. | two-thirds | D. | second-three |
10.Obama paid a ______ visit to China.He was warmly welcomed by Chinese people.( )
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| A. | four days | B. | four-day | C. | four-days | D. | four-days' |