— Did you visit the museum today?
— No. We ______ it, but we spent too much time shopping.
| A．could have visited | B．must have visited |
| C．may have visited | D．couldn’t have visited |
—Would you mind giving your advice on how to improve our business management?
—If you make _____most of the equipment，there will be _________rise in production．
| A．不填；不填 | B．the；a | C．不填；a | D．the；不填 |
They found there was_____ to weigh such an elephant.
| A．big enough nothing | B．nothing enough big |
| C．enough nothing big | D．nothing big enough |
There is a board by the road, which _____ “Parking_____!”
| A．writes, forbidding | B．reading, forbidding |
| C．says, forbidden | D．saying, forbidden |
In order to produce more grain, it________that the area of farmland_____.
| A．is demanded, being increased | B．has been demanded, be increased |
| C．demand, should be increased | D．demands, should increase |
---Do you like the new pen?
---Yes, it_____ smoothly.
| A．is written | B．is writing | C．writes | D．wrote |