47. You help me with English. It's nice of you. (连成一句)

It's nice of you______ ______ ______ with my English.

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46. He saw the bag before his bike hit it. (用until转换)

He______ ______ the bag______ his bike hit it.

45. Where will the meeting be? Can you tell me? (改为宾语从句)

Can you tell me ________ ________ ________ ________ ________?

44. If you don't study hard, you'll fall behind.(改为同义句)

________ hard, ________ you will fall behind.

43. We've already done the shopping.(改为否定句)

We ________ ________ the shopping ________.

42. They have worked here for two years. (改为同义句)

It's ________ ________ ________they ________ to work here.

41. My uncle has worked there since last year.(对划线部分提问)

________ ________ has your uncle worked there?

40. Where can the young trees be planted? ________ the lake.

A. On　B. In　C. Along　D. Into

39. Many more trees will be planted ________ 2 years.

A. for　B. in　C. since　D. ago

38. Water the trees as _______ as possible.

A. many　B. more　C. often　D. much more