题目内容

阅读短文,从方框中选择适当的动词,并用其适当形式填空。有的需要加助动词或不定式符号(每词限用一次)

           

be      become      study      see      plant

We have a beautiful school yard. I (91)____________ in the school for nearly 3 years. Standing in front of classroom windows, you can (92) ____________ our school yard is very tidy and clean. But you can’t believe that it used to be dirty. There (93) ____________pollution everywhere then. The head teacher asks us to clean it every day. And some trees (94)_____________ every spring. Now it’s much cleaner than before. I’m sure our school (95)_____________ more and more beautiful in the future.

91. have studied 92 see   93 was.   94. are planted   95. will become

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