______ we talk to each other, I feel happy. A. Every time wh

______ we talk to each other, I feel happy. A. Every time when B. Every time that C. Every time D. Every time which
请问此题的语法现象时什么?为什么答案是C?是简单句并列吗?中间的逗号的用法和and 的关系?
----John is said to have written two books last year.
----Yes, so he______. They are both about the Second World War.
A.is B.does C.has D.did
请问这题考的什么语法现象?选D为什么不选B,不是肯定事实吗?
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