As we all know, planting trees is good for the environment. Our class will go to the Sun Island tomorrow. As soon as we there, we’ll begin to plant trees.A. arrived B. arrive C. will arrive
The houses in big cities are so expensive that I can’t __________ to buy one .
A smile costs _________, but gives so much. So we should learn to smile.
My mother often tells me ______ the teachers carefully
Look, Jim _______ football on the playground.
---Why did you laugh just now?---Ted wanted to tell us _____ very funny story, but he forgot ______ ending himself.