___ the front door ___, he had to enter the room through the back door.
| A．Seen; painted | B．Seeing; painted |
| C．Being seen; being painted | D．Seeing; being painted |
My dictionary ___, I have looked for it everywhere but still __ it.
| A．has lost; don’t find | B．is missing; don’t find | C．has lost; haven’t found | D．is missing; haven’t found |
When __ alone, the child will make trouble.
| A．leaving | B．being left | C．having left | D．left |
Peter __ come with us tonight, but he isn’t very sure yet.
| A．must | B．can | C．may | D．will |
---The computer cost him 20, 000 dollars. ---It ____ be that expensive.It’s a used computer.
| A．may not | B．can’t | C．mustn’t | D．needn’t |
The captain __ an apology to the passengers for the delay caused by bed weather.
| A．made | B．said | C．put | D．passed |