-John will probably be late, won't he?
- _________________________.
| A.No problem | 
| B.No wonder | 
| C.No doubt | 
| D.No time | 
We know a good deal about the people who lived in China 4, 000 years ago, because they ______write and leave written records for those who lived after them.
| A.could | B.should | C.must | D.shall | 
Trees are useful to man mainly in three ways, the most important of which is that they can protect ______ from droughts (干旱) and floods.
| A.it | B.itself | C.himself | D.him | 
—made Daisy wild with joy?
 —Her success in the A-level exam this year.
| A.How was it that | B.When was it that | 
| C.Why was it that | D.What was it that | 
For environmental reasons,we as well take these waste products and have them recycled.
| A.shou1d | B.would | C.might | D.could | 
The film Avatar will be on tonight but it’s at l:30am. I don’t want to that late.
| A.stay up | B.show of | C.put up | D.get off |