Question

按照所給句型把下列詞語(yǔ)連成句子。

while…

1)while, I, heard the telephone ring, was doing my homework, I

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2)while, we, someone, were having supper, knocked at the door

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3)the students, the teacher, while, came in, were reading the text

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Answer 1

答案：
解析：

1)While I was doing my homework, I heard the telephone ring. 　　2)While we were having supper, someone knocked at the door. 　　3)While the students were reading the text, the teacher came in.