5道选择题，英语高手帮帮忙，就几分钟时间，在线等``~！！！！

1.
I prefer to read _____idle.
选项:
a、to sit
b、 to sitting
c、 than to sit
d、 rather than sit

2.
Our friends are expected to assume the burden of their own defense ,___they are competent to do .
选项:
a、which we are certain
b、of which we are sure
c、 that we are certain of
d、for which we are sure

3.
"up-to-date" can be best replaced by which of following words?
选项:
a、oldest
b、 hottest
c、 latest
d、 fastest

4.
___a result of the earthquake , many people became homeless.
选项:
a、With
b、 As
c、 For
d、 In

5.
He would have given more help ,but he ___so busy.
选项:
a、is
b、 would be
c、 has been
d、 had been

1.
I prefer to read _____idle.
选项:
a、to sit
b、 to sitting
c、 than to sit
d、 rather than sit

选D。因为Prefer to ....rather than (to)一定要省略
2.
Our friends are expected to assume the burden of their own defense ,___they are competent to do .
选项:
a、which we are certain
b、of which we are sure
c、 that we are certain of
d、for which we are sure

选 A 非限定性定语从句，因为有","which代替的是前面整个句子。 其他三个选项都是限定性的。
3.
"up-to-date" can be best replaced by which of following words?
选项:
a、oldest
b、 hottest
c、 latest
d、 fastest
选C， up-to-date adj. 最新的,现代的

4.
___a result of the earthquake , many people became homeless.
选项:
a、With
b、 As
c、 For
d、 In
选B，“as a result of” 作为...的结果

5.
He would have given more help ,but he ___so busy.
选项:
a、is
b、 would be
c、 has been