题目内容
Trees grow fast in summer.
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A. 及物动词 B. 情态动词 C. 不及物动词 D. 助动词
Give her this card.
A. 及物动词 B. 系动词 C. 不及物动词 D. 助动词
He plays the violin very well.
Time changes all things.
The birds sing in the green trees.
A spaceship flies very fast.