My grandfather often tells me________I do in the future,I should try my best to do it well.
great fun it is to go surfing in weather!
It’s quite clever ________ you _______ out the problem.
My tooth hurts. I’ll have no choice but ___________ tomorrow.
We all know that Changjiang River is longer than ___________ in America.
These photos__________ me____________ the old days when I was young.