题目内容
【题目】选用适当的词填入下列句子中：
on What am are at
1.I want to go there ________foot.
2. I_________ doing my homework.
3.She often cleans the floor________ 8:00.
4._________do you do on Saturdays?
5.They_________interested in taking photos.
【答案】1. on 2. am 3. at 4. What 5. are
【解析】
略
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