What did Lu Xun do after he gave up medicine—He devoted ______writing all his life.

She brought with her three friends, none of ___________ I had ever met before.

g on a happy face not only helps to makefriends, but also makes us feel better.—-_________________.

We had to wait months for the government to __________ our plans to carry out the project.

The flowers in the garden are more beautiful than _____ in doors.