I have to do my homework., I have to wear a uniform., Students have to study for exams., Employees have to arrive on time., Students don't have to come on Saturdays., She doesn't have to bring a computer., I don't have to work on Sundays., Does she have to bring her books?, Do employees have to arrive early?, Do you have to do homework?

Recalling grammatical structures

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?