问题补充:
—I’ve got to go now.
— Must you? I you could stay for dinner with us.
A. think
B. have thought
C. thought
D. am thinking
答案:
A. think
B. have thought
(答案→)C. thought
D. am thinking
解析:考查时态。根据句意可知我过去认为你会和我们一起吃饭,应该使用过去时。句意:—我现在得走了。—你非要走吗?我原以为你可以和我们一起吃饭。