Does Bob have vegetables for dinner—______. But his sister has some carrots.

ne knows that _____ is dangerous to play with fire, but _____ is difficult is to prevent children from playing with fire.

You’ve left the light on.——Oh, so I have_____________to turn it off

The driver should be punished! He shouldn’t _______________ running red lights.

ill be off on business next month. Ifyou write letters and E-mails to me, please _____ all the mails to Mr. Zhang.