请教几道英语填空题1、this is the hotel ----i like to stay.A:in which B

请教几道英语填空题
1、this is the hotel ____i like to stay.
A:in which B:at which C:to which D:at that
为什么不是D?which 和that我还是有点分不清
2、______impossible to make a living in real estate,nancy added insurance as a side line.
A:it's being B:its being C:it is D:it being
为什么是D?我选的是C
3、The secret agent kept looking back because he was afraid of _____.
A:followed B:being followed C:having followed D:having been followed
这题being的作用是什么?谓语动词吗?
4、the mother flatly rejected my suggestion that she _____her daughter the next week.
A:meet B:would meet C:met D:had met
这题我选的B,前面是一般过去式,后面不是也要一般过去吗?
5、______is often the case,workers have over fulfilled their work program.
A:which B:it C:that D:As
我选的C,正确答案是D
6、the boy would do everything but _____his fault.
A:to admit B:admitting C:admit D:would admit
我选的A,承认错误不是表目的么
7、your mother told me that you overslept this morning,_______?
A:didn't she B:didn't you C:did she D:did you
为什么不是did you?如何区分?
8、_______,he felt tired out after the long journey for eight hours.
A:strong he is B:the stronger he is C:strong man that he is D:for he is strong.
9、she ____ be ill because i saw her playing tennis just now.
A：can't B:couldn't C:mustn't D:may not
为什么答案不是C?