He works in China now, But he ______in Africa for eight years .
The purpose of Internet is not to make life more difficult,but _____it easier.
into English, the sentence was found to have an entirely different word order .
the shark drawing closer to her,the clumsy swimmer was ____almost to death.
The construction of the two new railway linesby now.
to their own work ,most of the parents spend little time with their children.