TV set is one of in the world.
| A．most useful invention | B．the most helpful inventions |
| C．more helpful inventions | D．less useful invention |
The idea ________ good. We can try it.
| A．taste | B．tastes | C．sounds | D．hears |
-- Have you finished your work yet?
-- No, not yet. It'll take me _________ ten minutes.
A. other B. another C. the other
Not only I but also my father Shanghai tomorrow.
A. are leaving for
B. am leaving for
C. is leaving for
We will not allow in the cinema, but you are allowed in the rest room.
A. smoking； smoking
B. to smoke； to smoke
C.smoking； to smoke
Weixin（微信） chatting on the mobile phone by many people, and it’s very helpful.
A. is used for B. is used to C. is used as