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
________ my surprise, the twins have nothing _______ common.
| A．In; in | B．To; in |
| C．With; on | D．For; of |
---Do you know sound travels very fast?
----Yes. But light travels _______ sound.
| A．as fast as | B．more faster than |
| C．much faster than | D．slower than |
Paper-making is one of _______ of ancient China.
| A．greatest inventions | B．the greatest invention |
| C．greatest invention | D．the greatest inventions |
Could you please give some _______ to the _______ teachers?
| A．advice; man | B．advices; men |
| C．suggestion; man | D．suggestions; men |
Please wait here. I’ll be back in _______ hours.
| A．two and a half | B．two hour and half |
| C．two hours and halves | D．two and half |