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问题: 英语

Cathy is taking notes of the grammatical rules in class at Sunshine School,where she__English for a year.
A.studies
B.studied
C.is studying
D.has been studying

解答:

选择 D.has been studying,现在完成时,“been”是“be”的过去分词,“been studying”表状态“她学习过英语的地方”