7.Tea ________ by farmers in our hometown.( )
| A. | is grown | B. | grew | C. | grow |
5.The safety of food has become one of the ________ problems in our daily life.( )
| A. | important | B. | more important | C. | most important |
4.In order to make our city more beautiful,we have planted _______ trees these years in Yiyang.( )
| A. | three thousands | B. | thousand of | C. | thousands of |
3.Are these _________ new trousers?-
No,they are not _________.( )
No,they are not _________.( )
| A. | your,my | B. | your,mine | C. | yours,mine |
2.________ fine weather it is today!( )
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| A. | What | B. | How | C. | What a |