Food supplies in the flood-stricken area _______. We must act immediately before there’s none left.
| A．have run out | B．are running out |
| C．have been run out | D．are being run out |
Someone called me up in the middle of the night, but he hung up ____ I could answer the phone.
| A．as | B．since | C．before | D．until |
------ What made little Tony so unhappy and cry in his room?
------- _________to go biking with his brother.
| A．Having not been allowed | B．Not having allowed |
| C．Having not allowed | D．Not having been allowed. |
----- Sally is strongly against taking the trip to Hainan.
----- _______? It was she who suggested the plan.
| A．How come | B．What about | C．Real | D．Why not |
Was it not until you began to work ____ how much time you had wasted?
| A．did you realize | B．that you realized |
| C．did you not realize | D．that you didn’t realize |
_____ some teenagers don’t realize is ____ difficult life can be after they get addicted to drugs.
| A．What; how | B．That; how | C．That; what | D．What ; what a |