Question

请用when, while 填空：

1. ________ May was talking on the phone, her sister walked in.

2. ________ Rita bought her new dog, it was wearing a little coat.

3. ________ I saw Carlos, he was wearing a green shirt.

4. ________ I was dancing, he was singing loudly.

5. ________ Helen came back home, her brother was watching TV.

 

Answer 1

答案：见“详解内容”
解析：

1. While  2. When  3. When  4. While  5. When

提示：

While表示“与此同时，同时”； when表示“在什么的时候”