Don’t answer the phone when the cell phone is being charged, for it ________ be very dangerous sometimes.
| A．shall | B．should | C．can | D．must |
Dewitt Wallance founded the Reader's Digest as a pocket-sized, non-fiction magazine ____ to inform and entertain.
| A．was intended | B．intending | C．to intend | D．intended |
I found the cat____ under the bed, who had caught a mouse.
| A．hiding | B．hidden | C．to hide | D．having hidden |
Those ___ to go to the exhibition should inform the office.
| A．not wanting | B．who not want | C．not wanted | D．are not want |
There were many more people who got injured in the big fire than ____.
| A．was reported | B．it was reported |
| C．were reported | D．they were reported |
_______ of water makes Death Valley a desert, but it is by no means devoid.
| A．Lacking | B．Being lack | C．Because of lack | D．Lack |