Listen, who______ in the classroom? A．si

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问题选择题

Listen, who______ in the classroom?

A．sings

B．sing

C．is singing

D．singing

答案

答案：C

考查时态。根据题目中所给的listen，可以判断要用现在进行时，其结构为主语+be doing，句意：听，谁正在教室唱歌？故选C。

改错题

单句改错。

1. I was astonished to see so many people sit in the theatre. _________

2. The price lonely should have made you realize it was a trick. _________

3. At time Tomson likes making fun of others. ________

4. As we know, Lincoln was an inspired leader. ________

5. She bought the pair of shoes two years ago and now they are almost wearing out. ________

6. When in Paris she picked out French and now she can speak it fluently. ________

7. The young man caught stealing in the store and was sent to the police soon. ________

8. The old man talked all the while even if to himself. ________

9. The telephone operator cut us out. ________

10. The film will be set on Mount Tai and many people went there. ________

判断题

网络发票，是指符合国家税务总局统一标准并通过国家税务总局及省、自治区、直辖市国家税务局、地方税务局公布的网络发票管理系统开具的发票。