第1题：
A. became
B. have become
C. had become
D. has become
第2题：
The old lady has never ______the house since she moved in.
A. been away
B. left
C. lived
D. stayed at
20．答案为B 这个老太太自从搬进来就从未离开过这个房子。根据题意，可排除C和D。A用法是错误的，也排除。
第3题：
A.assigned
B.awarded
C.arranged
D.afforded
第4题：
Mrs. Robson had lived in the house ______.
A. since she had sold her flat
B. for less than a decade
C . since she had been born
D. for more than ten years
42．答案为D 此考题为细节题。文章的第1段最后两句告诉我们：Since her husband had died ten years before...She had continued to live in their little house，alone，由于她丈夫在10年前去世，我们可以断定老妇人在此居住已10年有余，故选D。
第5题：
It is over two years since my brother ______the army.
A. joins
B. joined
C. has joined
D. had joined
18．答案为B 我兄弟参军已经两年多了。在句型his...year(s)since...中主句时现在时， since从句中的谓语动词用一般过去时。
第6题：
A、since four years
B、for the past four years
C、four years ago
第7题：
His sister left home in 1998, and _______since.
A. has not been heard of B. has not been heard of
C. had not heard of D. has not heard of
第8题：
A.I alone in the house
B.I alone had a house
C.I had the entire house to myself
D.I got a house to myself
第9题：
His sister left home in 1998, and_________ since.
A．had not been heard of
B．has not been heard of
C．had not heard of
D．has not heard of
第10题：
The house ______in bad repair since he moved out.
A、was
B、has been
C、had been
D、was being