词汇与语法知识：从A、B、C、D四个选项中选出可以填入空白处的最佳选项，并在答 题卡上将该项涂黑。（每小题1分）
1. When we arrived, he ________.
A. has left B. had left C. leaves D. is left
2. The kid is ________ a blue coat.
A. putting B. wears C. wearing D. dressing
3.A _______ girl was sitting opposite the old woman.
A. twelve-year-old B. twelve-years-old
C. twelve-year old’s D. twelve-years old’s
4. It is in Chongli ________ the Winter Olympic Games will be held.
A. that B. when C. where D. which
5.Mike didn’t hear the doorbell. He _______ asleep.
A. should be B. should have been
C. must be D. must have been
