题目内容

根据句意和汉语提示,在空格中填入正确的单词。(每空限填一词)。

81.The wind is blowing strongly with lots of s__________.

82.They can also p__________ the water from washing the earth away.

83.A__________ we have built “the Great Green Wall”, we still need to work hard to protect the environment.

84. A__________ speak louder than words.

85. The chemical factories __________ (生产) terrible gas.

86. Each year people pour__________ (废物) into rivers, lakes and so on.

87. I’ve __________ (已经) read the book twice.

81.sand  82.prevent  83.Although  84.Actions  85.produce  86.waste  87.already

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