问题: 动词时态语态问题
27. —Have you known Dr. Jackson for a long time?
—Yes, since she ______ the Chinese Society.
A. has joined B. joins
C. had joined D. joined
帮忙讲一下,B不行吗?
解答:
答案:D。
解析:该句完整的句式是:I have known Dr. Jackson since she joined the Chinese Society. since后跟的时间状语从句要用一般过去时,表示自从过去某个时间发生的动作到现在以来有多长时间了。
有时候做单项选择题目要善于展开或者说完整这句话,然后运用语法知识加以倒装或者什么的变换成题目,你就豁然开朗了.语法很重要
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