The problem is _____ has caused us a lot of trouble.
| A．one | B．that |
| C．one that | D．that one |
Which is the _________ country, Japan or Australia?
| A．more developed | B．more developing | C．most developed | D．most developing |
There were _______ shops in the city in 1982 than in 1990.
| A．little | B．few | C．fewer | D．less |
If you are not free today, come another day __________.
| A．too | B．so | C．instead | D．yet |
He can’t tell us ________, I think.
| A．important anything | B．anything important |
| C．important something | D．something important. |
The Huang River is the second __________ river in our country.
| A．long | B．longer | C．longest | D．the longest |