题目内容
Xiao Li was about to cheat in the exam ________ the teacher came up, smiling to him.
| A．as | B．when | C．while | D．until |
B
解析
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名题金卷系列答案优加精卷系列答案题目内容
Xiao Li was about to cheat in the exam ________ the teacher came up, smiling to him.
| A．as | B．when | C．while | D．until |
B
解析
名题金卷系列答案优加精卷系列答案