--May I leave now, sir?

--You'd better ________ until they come.

[　　]

—May I leave here now?

—No, you can't.You________ to leave until Jim comes.

　　　 A.are allowed　　　　 　 B.are made　　

C.aren't allowed 　　　 D.aren't made

—Mr. Black, may I leave now?
—Well, if your work ________, you can go home.

—Mr. Black, may I leave now?

—Well, if your work ________, you can go home.

A．finishes           B．is finished         C．has finished        D．will be finished

—Mr. Black, may I leave now?
—Well, if your work ________, you can go home.

1. A.
   finishes
2. B.
   is finished
3. C.
   has finished
4. D.
   will be finished