increase|increases|increased|increasing

油价最近上涨了。

The price of oil has ___increased recently.

我们学校的学生人数每年都在增加。

The number of students is ___increasing every year in our school.

我不知道怎样提高阅读速度。

I don't know how to ___increase my reading speed.

更多练习会提高我们的阅读速度。

More practice ___increases our reading speed.