Some women          a good salary in a job instead of staying home, but they decided not to work for the sake of the family.

14. The teacher insisted _______ until we finished the work.

10. — How old are you, madam?
— If you _______ know, I’m twice my son’s age.                               

----She looks happy. She _______ have passed the exam.
-----I guess so. It is not difficult after all.

Some experts demanded that children _______ time to sleep and play.

22．— Marx looks nervous.
— So___________you if you had so fierce a competition.

22. —Who______ it be that is knocking at the door? 
—It ______ be Father, but I’m not sure.

20. I got up early this morning, but I ________ so because I was not on duty today.

14. I thought she ______ like something to eat, so I have bought two pieces of bread.

4. —I’ll tell Mary about her new job tomorrow. —You ______ her last week.