---- _______ you bring that book to me?
---- Sure(当然).
A Does B. Can C. Are D. Is
Aron water five days later.
| A．ran out | B．used out | C．ran out of | D．used out of |
This is______difficult problem that few students can work it out.
| A．so | B．so a | C．such | D．such a |
.He lives_______in the______village, but he is never_______.
| A．alone; alone; lonely | B．alone; lonely; lonely; |
| C．lonely; alone; lonely | D．lonely; lonely; alone. |
Pollution is a serious problem. Scientists have _______ some good ways to save it.
| A．come up with | B．come on | C．come out | D．come up |
We can’t put off _____ a plan .
| A．make | B．to make | C．making | D．to making |