The mayor is strongly opposed to a new hall, which may cost a lot of money.
A. building
B. build
C. be building
D. have built
网友回答
(答案→)A. building
B. build
C. be building
D. have built
解析：考查动名词用法。固定词组be opposed to sth/doing sth反对sth/做某事；其中的to是介词，后面要接名词或者动名词的形式。句意：市长强烈反对建设一个新的购物中心，那要花去很多的钱。故A正确。