第1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2题：
Wolfgang's father told him he couldn't play the piano yet because______.
A. his sister was taking lessons
B. he had to help his mother
C. he was too small
D. he had to wait for his sister to finish practising
第3题：
A.a ride
B.some ride
C.ride
D.the ride
第4题：
A、poor as his sister’s if not poor
B、as poor, if not poorer than, his sister
C、as poor, if not poorer than sister’s
D、as poor as, if not poorer than, his sister’s
第5题：
She ____ to find her sister at home.
A、risks
B、threatens
C、bets
D、chances
第6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7题：
Not until he left his home ________ to know how important the family was for him.
A.did he begia
B.ead he beans
C.he began
D.he has began
第8题：
A.left … worked
B.has left … has worked
C.left … has worked
D.has left … worked
第9题：
A、with
B、for
C、by
D、against
第10题：
A、mother-in-law’s and his sister-in-law's
B、mother’s-in-law’s and his sister's-in-law’s
C、mother’s-in-law and his sister’s-in-law
D、mother-in-laws’ and his sister-in-laws’