题目内容：

根据所给汉语意思，用合适的单词填空。

1.My uncle is going _________(在国外) to study English next month.

2.—Where’s Mr. Green?

—He has gone to attend an ______ (国际的) meeting.

3.The most important thing for you is to _________ (放松) now.

4.We should try our best to protect our __________ ( 环境).

5.You can take a ________(直达的) flight to Chengdu. It’s much faster.