The line graph above demonstrates how much water used in three areas changed from 1990 to 2000
问题描述：
The line graph above demonstrates how much water used in three areas changed from 1990 to 2000
demonstrate后面为什么不用加that?从句如果变成how did the family composition change from 1989 to 2001.也不加that吗?
答
demonstrate后面是how 引导的宾语从句,与that无关,不是所有的宾语从句都用that引导
对,即使变成你说的,也不用加that,因为它还是how引导的宾语从句
另外,你写的这从句有语法错误,在宾语从句中要用陈述语序而不是疑问语序,应该为how the family composition changes from 1989 to 2001