May I come in, Mr Loc? Yes, you can., May I go out, Ms Lan? No, you can’t., sit down, please!, May I open the book? No, you can’t., May I ask a question? Yes, you can., May I close the book? Yes, you can.,

classroom commands

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?