1 . Laughter can help you________（熬过）difficult times. （根据汉语提示完成句子）

2 . Xu Beihong believed that artists should show reality, but not just imitate it.(句式仿写)
The final aim of greening our city is to make it more comfortable for us to live in, ________________________ (不仅仅是为了让我们的周围变绿).

3 . The talks are meant to help______________________(为……铺平道路)higher-level military discussions. (根据汉语提示完成句子)

4 . She often takes her son to the gallery, trying to help him________________（对……产生爱好）art.(根据汉语提示完成句子)