1 . To sum up, one cannot deny the fact that studying abroad has its disadvantages, so when you think about studying abroad, you should consider these many factors.（英译汉）

2 . Tuition fees and living expenses are much more expensive than at home and could end up costing most families an arm and a leg. （英译汉）

3 . Using a laptop increased the_____(tend) to make notes “mindlessly” by taking down word for word what the professors said. (所给词的适当形式填空)

4 . People need _____(permit) to be funny in social settings because there’s always a risk that comes with humor. (所给词的适当形式填空)