题型：单选题 题类： 难易度：普通
（典中点）人教版（PEP）六年级上册 Unit 2 单元重难点提优专训(2)情态动词
A. I can't find my pencil. | B. He is old. He is my father's father. | C. It's the opposite (相反)of short. | D. We do it in a fast way with our feet. | E. We use our legs to push (推) ourselvcs up into the air. |
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