She ________the film, for she knows nothing about it.
| A．can’t see | B．can’t have seen | C．must see | D．mustn’t have seen |
I can guess you were in a hurry. You ______ your sweater inside out.
| A．had worn | B．wore |
| C．were wearing | D．are wearing |
I first met Tom 10 years ago. He ______ in a radio factory at that time.
| A．had worked | B．has worked |
| C．was working | D．has been working |
I ______ ping-pong quite well, but I haven’t had time to play since the New Year.
| A．will play | B．have played |
| C．played | D．play |
_____ 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 |
_____ the diamond, he had to look for a place to hide it.
| A．Having stolen | B．Having been stolen |
| C．Stolen | D．Stealing |