12. They were getting ready __________their holiday.
A. to
B. for
C. about
D. with
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13. ________________were cleaned by the children.
A. Windows of the room
B. The windows of the room
C. The room's window
D. The windows in room
14. Nowadays______________of business letters are written in English.
A. two third
B. two thirds
C. two three
D. second three
15. Bill said they were going to have a ____________holiday.
A. two-week
B. two-weeks'
C. two-week's
D. two-weeks
16. Meimei is going to be an elder sister. Her parents are planning to have their__________child
A. one
B. two
C. first
D. second