Only when         finished his own work,        ask him to help you.

 A.has he, can you    B.he has, can you    C.has he, you can    D.he has, you can

According to the law,it is  get your driving license．

A．not until you’re eighteen can you

B．until you’re eighteen that you can’t

C．not until you’re eighteen that you can

D．until you’re eighteen when you can’t

Mum, please let us, Mary and me, go to Jack’s birthday party tomorrow, ______?

Only ______ do the job and only in this way _____ do the job well.

A. can you; can you    B. you can; can you   C. you can; you can  D. can you; you can

. You can hardly recognize him in the photo, ________?

A. can you        B. can’t you       C. do you        D. don’t you