当你不认识某物时,你应用英语向别人问 A. What’s this ? B. What this is ? C. This is what ?
I wanted to help my mother do the housework.She asked me to________the rubbish.
—Could you please help me sweep the floor? —________.
—Could I use the phone,Miss Li? —________.
Here are some books.Could you please________?
—Could I________your iPad,Alice? —Of course.Here you are.