下列步骤中,( )是买卖交易的最后一步,但也是至关重要的一个环节。
A.交易双方配对 B.实地看房C.物业交验 D.合同签订
参考答案:C
I told your friend how to get to the hotel, but I perhaps I __________ have driven her there.
A.could
B.must
C.might
D.should
简述鱼胃对食物的初步消化