I kept looking at the man,wondering ______________.A whether I have seen him before B where I had选哪个?理由是什么?选项:A whether I have seen him beforeB where I had seen him beforeC when I had seen him beforeD that I had seen him before
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![I kept looking at the man,wondering ______________.A whether I have seen him before B where I had选哪个?理由是什么?选项:A whether I have seen him beforeB where I had seen him beforeC when I had seen him beforeD that I had seen him before](/uploads/image/z/12227987-11-7.jpg?t=I+kept+looking+at+the+man%2Cwondering+______________.A+whether+I+have+seen+him+before+B+where+I+had%E9%80%89%E5%93%AA%E4%B8%AA%3F%E7%90%86%E7%94%B1%E6%98%AF%E4%BB%80%E4%B9%88%3F%E9%80%89%E9%A1%B9%3AA+whether+I+have+seen+him+beforeB+where+I+had+seen+him+beforeC+when+I+had+seen+him+beforeD+that+I+had+seen+him+before)
I kept looking at the man,wondering ______________.A whether I have seen him before B where I had选哪个?理由是什么?选项:A whether I have seen him beforeB where I had seen him beforeC when I had seen him beforeD that I had seen him before
I kept looking at the man,wondering ______________.A whether I have seen him before B where I had
选哪个?理由是什么?
选项:
A whether I have seen him before
B where I had seen him before
C when I had seen him before
D that I had seen him before
I kept looking at the man,wondering ______________.A whether I have seen him before B where I had选哪个?理由是什么?选项:A whether I have seen him beforeB where I had seen him beforeC when I had seen him beforeD that I had seen him before
B where I had seen him before
在主句动作之前,因此用过去完成时.
在主句动作之前,因此用过去完成时。所以选B