Question

. I'd really appreciate ________ if you would turn off the lights before you leave.

A．you

B．that

C．a(chǎn)s

D．it

Answer 1

D

試題分析: it 的用法。句意；如果你在離開之前會把燈關(guān)掉，我將不甚感激。appreciate,like,love,hate等表喜好，憎恨之類詞后不能直接接從句，必須先補充it后再接從句。it表虛指，無實義。另外，一些動詞短語也不能直接加從句，必須加it再接從句,如see to it that ,depend on it that 等.
點評: it 的用法很廣，注意歸納總結(jié)。