—__________do you go to school every day? (　　)
—I go to school __________seven.

A．What; at

B．When; at

C．How; at

School is over ________ 12:30.  (    )

A．in

B．at

C．on

找出错误的一项并改正。
（_______） 1.What time do your class begin ?
A B   
改正：________
（_______） 2.It begins in about 5:30 after supper.
A   B
改正：_________
（_______） 3.Seeyour tomorrow.
A   B
改正：_________
（_______） 4.Please coming to my birthday party.
A B
改正：_________
（_______） 5.I cancoming, too.
A    B
改正：__________
（_______） 6.Today wasOctober first.
A    B
改正：___________

Jim gets up ______ 6:50 ______ the morning. (  )

A．at; at

B．at; in

C．in; in

I went to Guangzhou _________summer vacation. ( )

A．on

B．in

C．at