____________ his returning, he will clean the room and wash clothes.
A. As soon as B. Upon
C. For the moment D. The moment
The old man has two sons, ____________ are working in the supermarket.
A. both of whom B. each of them
C. both of them D. all of whom
All her time ____________ her students, so she has no time for housework.
A. devoted to teach B. is devoted to teaching
C. is devoting to teaching D. devoted to teaching
With all teeth ____________, my grandfather has few choices on his diet.
A. going out B. staying out
C. working out D. falling out
A job in acting is becoming increasingly ____________ to young people.
A. available B. academic
C. attractive D. energetic
I don’t think Tom has passed the difficult exam, ____________?
A. has he B. don’t I
C. hasn’t he D. do I
