短文改错。Though great progress has been made

问题改错题

短文改错。

Though great progress has been made on science these years, there
are still many people living in poor conditions. They make their lives
by collecting and selling used thing. Their children cannot go to school
because they have not enough money to send their children to there.
Why you think so many people still suffer from poverty now?
The answer lies on the population explosion. A president
of a developing country once said;"It is us who are to blame for
the poverty because we used to 'produce' child without limit."
Although this few words sound simple enough, they have
clear pointed out one of the causes of the population explosion.

1. _____
2. _____
3. _____
4. _____
5. _____
6. _____
7. _____
8. _____
9. _____
10. _____

答案

1. on-in 2. lives----living 3. thing----things 4. 去掉第二个to 5. 在you前加do

6. on---in 7. us---we 8. child----children 9. this----these 10. clear----clearly