Question

I watched the man for a long time and wanted to know    .

A．whether I have seen him before	B．where I had seen him before
C．that I had seen him before	D．when did I see him

Answer 1

A

试题分析：考查宾语从句。所有的宾语从句都使用陈述语序，排除CD。句意：我观察那个人很长时间。想知道我是否在以前看见过他。根据句意说明A正确。
点评：对于宾语从句要注意其使用陈述语序，另外要注意句意的搭配。