Ⅰ.语境填词
1．Three years ago，our school had a ____________ (女校长)，but today our school has a headmaster.
2．She studied French history for a long ____________ (一段时间) of time.
3．The final examination is coming.All the students are doing their ____________ (复习)．
4．If you give her a ____________ (话题)，she can talk a long time.
5．The winter ____________ (假期) is not as long as the summer one.
