_______ to me, John would not have failed.

It’s very important ______ us ______ English well.

Have you _____ Wang Hua to give up playing the computer games? — No. I have talked to him many times, but it didn’t work. [ ]

What the science teacher does and says ofgreat importance to college students.

Like some of my classmates,I cannot live up to my teachers’expectations；________I let them down.[ ]