Peter想问Li Yan哪天上数学课,他应说:________A.When do you have maths classes? B.When do you has maths class?C.What do you have maths classes?
你想对别人说“对不起”,可以说:
你想告诉别人“今天是星期一”时,可以说:
你想知道有多少把椅子,可以说:
I go to bedten. A. in B. on C. at
Are they teachers? , they are. A. Yes B. No C. Sorry