用所给词的适当形式填空（每小题1分，满分5分）
In the future, there _________ (not be) many schools.
I planned _________ (walk) to school first, but Tom’s father offered to take me there.
The government should pay __________ (much) attention to this problem than that one.
I bought a science book for my son, but he doesn’t enjoy__________ (read) it.
No one _________ (know) when he will be back.