The little girl couldn’t be a student because of her __________.
About seventy percent of our earth _______ by water.
Today the forests are getting fewer and fewer. We must______ down too many trees.
What’s the sentence structure of “ Spring is warm and sunny.”?
He stopped looking after the homeless animals ___________ his bad health.
---Why do you recommend Li Hong for the Best Student Award?---She is good at all the subjects. __________, she is polite and helpful.