小學(xué)六年級下冊英語Unit 4練習(xí)題

連詞成句。
    1. keep , trees, us, can, cool (.).
    2. is, fun, planting, trees (.).
    3. the, should, look, we, young, after , trees(.)
    4. good, planting, for, is, trees ,us (.)
    5. will, plant, more, I, trees (.)
    5. The earth is getting hotter and hotter.地球變得越來越熱..
    6. Trees help to make the air cool and fresh. 樹可以 幫助使空氣清新涼爽。
    7. Let’s plant more trees to make the Earth clean and green.讓我們植更多的樹來使地球更綠更干凈。