Mrs. Black doesnt believe that her son is able to design a digital camera, ______?
| A．does she | B．isnt he |
| C．doesnt she | D．is he |
----Three students came late to school this morning, Tom and Jack_______.
| A．were included | B．were including | C．included | D．including |
----Drinking is harmful_______our health.
| A．to | B．be | C．with | D．at |
----Must I finish the jod at seven o’clock?
----No, you___________
| A．mustn’t | B．can’t | C．needn’t | D．don’t have |
---- The reason why he has been such a success is ________he had lost his money.
| A． \ | B．because | C．that | D．what |
—Should I follow in my father’s footsteps and study medicine?
— __________________.
| A．It doesn’t matter. | B．Don’t mention it. | C．That’s all right. | D．It’s up to you. |