1.我妹妹的老师鼓励她做一个歌手。

My sister was _______ to be a singer _______ her teacher. 

2.要想保持身体健康，就要有规律地训练。

_______ you want to be healthy, you should train _______.

3. 我认为请他演广告是不好的。

I _______ think it’s good to ask him to appear in _______.

4. 你能告诉我WTO代表什么吗？

Can you tell me what WTO _______ _______？

5. 确保要记录下周那场艰难的比赛。

Make sure you _______ that _______ match next week.