In ______ eyes of my parents, a knowledge of English is ______ must in the world today.
| A．the;不填 | B．the; a | C．不填; a | D．不填;不填 |
_____ the diamond, he had to look for a place to hide it.
| A．Having stolen | B．Having been stolen | C．Stolen | D．Stealing |
He looked around and caught a man _____ his hand into the pocket of a passenger.
| A．put | B．to be put | C．to put | D．putting |
Don’t leave the water ____ while you brush your teeth.
| A．run | B．running | C．being run | D．to run |
I don’t know whether you happen ____ it, but I’m going to study in the U.S.A. this September.
A. to be heard B. to be hearing C. to hear D. to have heard
_____ and out of breath, we reached the top of the mountain and stopped _____ the beautiful scenery.
| A．Tiring; to admire | B．Being tired; admiring |
C．Tired; to admire | D．Tired; admiring |