1.我们应该尽力去保护环境. We should ____________to protect the environment.

问题描述:

1.我们应该尽力去保护环境. We should ____________to protect the environment.
2.昨天的会上学生们问了很多问题.
Manyquestions_________bystudentsatyesterday'smeeting.
3.新加坡是一个讲英语的国家,所以它也是一个练习英语的好地方.
SingaporeisanEnglish-speakingcountry,soit'salsoagoodplaceto________.
4.中国人民正在努力赶上发达国家.
TheChinesepeopleareworkinghardto____________developedcountries.

1. try our best
2.were asked
3.practice English
4.keep up with