题目内容
Kate and I _____ doing ______ homework now.
A.am, their | B.are, their | C.is, our | D.are, our |
D
此题重点考查现在进行时的构成和形容词性的物主代词。我和Kate是复数即相对应的物主代词是their。
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A.am, their | B.are, their | C.is, our | D.are, our |