1.如果我们幸运的话,可以在动物园看到喂老虎.
We can see tiger to be fed,if_we are lucky__.
2.如果人们不停止砍树的话,动物们会失去家园.
Animals will lose their homes__if people don't stop cutting trees__.
3.我不喜欢这本杂志因为上面有太多广告.
l dislike this magazine_having so many advertisement_ in it.(advertisement是不可数名词）
4.因为担心太多,她常常睡不好觉.
She often sleeps badly_because of worrying_ too much.
5.如果有危险的话,雄狼会保护他们的家庭.
If there is danger,male wolves_will protect their families__.