【单选题】【消耗次数:1】
Neither John nor his roommates _____ in the dormitory yesterday evening.
was
were
has been
had been
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①  all of their homes
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【单选题】 The residents, _____had been damaged by the fire, were given help by the Red Cross.
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①  A.在我知道每样东西都有一个名字以前,老师已经教我好几个星期了。
②  B.老师和我相处了好几个星期,我都不知道每样东西还有一个名字。
③  C.在我知道每样东西都有一个名字以前,老师和我已经相处好几个星期了。
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⑤