读一读，补全对话A: Hello, Mike!B: A: Where's my pen?B: A : No, it isn't.B: Is it in your hand?A:
We can save water and ____________. A. energy B. energys C. energies
We shouldn't ____________ litter on the ground. A. throws B. throw C. threw
What can we do to make ____________ mother earth more beautiful? A. us B. we C. our
We can plant more ____________. A. trees and grass B. tree and grass C. tree and grasses
I like to go ____on Sundays. A. fishing B. to fish C.fish
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