— Can I pay the bill by check?
— Sorry, sir. But it's the management rules of our hotel that payment ______be made in cash.
| A．shall | B．need | C．will | D．can |
One of the greatest benefits of stamp－collecting is that they are based on common interests，________ appearance，age or wealth.
| A．other than | B．or rather | C．rather than | D．instead |
It is ________ he often fails in exams ________ makes his parents worried about him.
| A．what；that. | B．that；what. | C．that；that. | D．because；that. |
— Do you think that housing price will keep ________ in the years to come?
— Sorry，I have no idea.
| A．lifting up | B．going up | C．bringing up | D．growing up |
After two months’ training，the astronauts are ________to adapt to the conditions of weightlessness.
| A．accustomed | B．coming | C．realized | D．succeeding |
I smell something ________ in the kitchen.Can I call you back in a minute?
| A．burning | B．burnt | C．being burnt | D．to be burnt |