[题目]Jenny's Chinese a lot since she to China two years ago.A.improved; cameB.has improved; has comeC.improved; has comeD.has improved; came 题目和参考答案——青夏教育精英家教网—

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【题目】Jenny's Chinese _______ a lot since she _______ to China two years ago.
A.improved; came
B.has improved; has come
C.improved; has come
D.has improved; came

【答案】D
【解析】考查since引导的时间状语从句, 从句常用一般过去时，主句常用现在完成时，故选D。

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