题目内容
Lucy kept on ________ (ask) the teacher strange questions.
答案:asking
提示:
提示:
| 本句中用了一个固定短语keep on doing
something,应填asking。
|
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题目内容
Lucy kept on ________ (ask) the teacher strange questions.
| 本句中用了一个固定短语keep on doing
something,应填asking。
|