68 It was at four o'clock in the afternoon ____ he and his grandpa reached the museum in Guanghan.
| A．while | B．that | C．when | D．As |
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 |
The dog, _____, will be made a good watchdog.
| A．to train properly |
| B．being trained properly |
| C．properly to train |
| D．trained properly |
-- Have you considered _____ your job as a teacher?
--- Yes. I like the job because a teacher is often considered _____ a gardener.
| A．to change; to be | B．to change; being |
C．changing; being | D．changing; to be |