We should keep our classroom _____.
A. cleans B. cleaning C. clean
A new park ______ in the southern part of the city in the near future.
| A．builds | B．has built |
| C．will build | D．will be built |
—Tom along with his parents _____ to Hong Kong on holiday , right?
—I think so. They must be having fun in Hong Kong now .
| A．has gone | B．have gone |
| C．has been | D．have been |
The first thing ________ my brother is going to do this afternoon is to write a letter.
| A．why | B．who | C．that | D．whose |
Giving a hand to others _____ little, but it’ll bring you _____ much.
| A．takes; such | B．pays; such |
| C．spends; so | D．costs; so |
—Jim, how about keeping a dog as a pet?
—Good idea! But I prefer to have a cat. The dog is ______ to look after.
| A．difficult | B．more difficult |
| C．most difficult | D．the most difficult |