Listen! Do you hear someone for help?
| A．calling | B．call | C．to call | D．called |
_____ that she was going off to sleep, I asked if she’d like that little doll on her bed.
| A．Seeing | B．To see | C．See | D．Seen |
_______to reach them on the phone, we sent an email instead.
| A．Fail | B．Failed | C．To fail | D．Having failed |
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
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 |