...the large public
following which Powell attracted helped the Conservatives to win the 1970
general election, and perhaps cost them the February 1974 general election,
when Powell turned his back on the Conservatives by endorsing a vote for
Labour, which returned as a minority government in early Mar...
...选择题:The students should take turns _________ their classroom. A. to clean B. cleaning C. at cleaning D. in cleaning 命题者认为, A 是参考答案。 实际上,在take turns 的后面既可以接动词不定式,也可以接动名词,还可以接介词at (或者in) ...