Putting out forest fire is regarded as one of _____ problems in the world．（ ）
| A． |
difficult |
B． |
more difficult |
| C． |
most difficult |
D． |
the most difficult |
We got so wet.We had _________ umbrellas__________ raincoats with us!（ ）
| A． |
either；or |
B． |
both；and |
| C． |
neither；nor |
D． |
not only；but also |
﹣﹣﹣Would you like to go out for dinner tonight？
﹣﹣﹣No，I'd rather ______________ at home.（ ）
| A． |
to eat |
B． |
eating |
C． |
eat |
D． |
ate |
Don't keep up with him,he runs __________ than me.（ ）
| A． |
much faster |
B． |
even worse |
| C． |
less carefully |
D． |
more carefully |
We left __________such a hurry that we forgot our tickets.（ ）
| A． |
on |
B． |
for |
C． |
to |
D． |
in |
﹣﹣﹣They've bought the sick children some toys and flowers.
﹣﹣﹣So they have._________nice of them!（ ）
| A． |
How |
B． |
What |
C． |
How a |
D． |
What a |