核心词汇
1．Now more and more schools are trying to ____________(扩大)their school yards to admit more students.
2．He ____________(假装)that he was ill so that he could stay at home.
3．The United Kingdom ____________(由……构成)of Great Britain and Northern Ireland.
4．They will ____________(传递)passengers from Beijing to Shanghai.
5．She was ____________(漫步)aimlessly up and down the road.
