题目内容
【题目】用单词的适当形式填空。
1. I _______ (send) an e-mail to my father now.
2. The sun _______ (shine) on the sea.
3. The girl _______ (sing) a song loudly.
4. We _______ (swim) in the sea now.
【答案】1. am sending 2. is shining 3. is singing 4. are swimming
【解析】
略
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