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
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