Mark the letter A, B, C, D to indicate the word different from the other followig question.
5. They ________________ supper when the telephone rang .
A. had B. have had
C. were having D. have been having
6. You all know that you __________________ leave the room before the end of the test
A. don't have to B. haven't
C. needn't D. musn't
7. ______________________ , we would go swimming
A. if today is sunday B. if today were sunday
C. unless today was sunday D. unless today would be sunday
8. Workers who do not obey the safe regulations will be _______________
A. refused B. disagree
C. disapporoved D. dismiss
9. The teacher didn't seem to be happy about your tasks,_____________
A. didn't they B. did they
C. didn't he D. did he
10. Have you ever considered ______________ to another school!
A. morning B. to move
C. to have moved D. having been moving
