1.200年后人们还会用纸张吗？____ people use paper ____ 200 years?
2.人们的空闲时间将会更少。People will _______ free time.
3.孩子们将不去上学了。  Kids ________ to school.
4.他们将在家中通过电脑学习。  They will study ________.
5.五年前，我们在上小学。  Five years ago, we _______