问题补充:
She must be looking forward as much to his return as he himself is to her.
A. see
B. have seen
C. seeing
D. be seeing
答案:
A. see
B. have seen
(答案→)C. seeing
D. be seeing
解析:本句实际上考察的是固定搭配look forward to…期待..;其中的to是介词,后面要接名词或者动名词做宾语。句中的as much as表示程度上是一样的。句义:她一定在期待这他的归来,就正如他期待她一样。故C正确。