In the last year, China has sent up many ______ satellites, _______ a weather satellite, a science satellite, a TV satellite and so on.
He looked around and caught a man _____ his hand into the pocket of a passenger.
And there, almost _____ in the big chair, sat her little brother, who never had to be told to keep quiet.
_____ the front door _____, he had to enter the room through the back door.
_____ the diamond, he had to look for a place to hide it.
The dog, _____, will be made a good watchdog.