We have to try every means to ____ the costs of the construction project.

We have to try every means to ____ the costs of the construction project.
选项:
a、bring off
b、bring forth
c、bring down
d、bring back
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题号:17 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:5
内容:
We don’t need air conditioning,____.
选项:
a、nor can we afford it
b、and nor we can afford it
c、neither can afford it
d、and we can neither afford it
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题号:18 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:5
内容:
I didn’t know what to do but then a good idea suddenly __________me.
选项:
a、happened to
b、 happened upon
c、 occurred to
d、occurred upon
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题号:19 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:5
内容:
__________his wealth,Tom is not very happy.
选项:
a、In spite of
b、Besides
c、Beside
d、Though
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题号:20 题型:单选题（请在以下几个选项中选择唯一正确答案） 本题分数:5
内容:
I should be glad to __________you on the subject as soon as possible.
选项:
a、hear from
b、hear of
c、 hear about
d、hear to