Section Ⅳ Grammar & Writing
非谓语动词
阅读下列句子并体会黑体部分的用法
1．The teacher told us to do morning exercises.
2．It's necessary for you to study hard.
3．I have got used to living in the country.
4．The building being built on the river is the Science Museum.
5．The secretary worked late into the night，preparing a long speech for the president.
