The environment in our city ____ greatly if we make every effort in the near future.
_______ Mr. Smith is not rich, ________he always gives money to the poor.
— Sorry, Tom. I took your book_______ mine by mistake.— It doesn’t matter. Yours looks _______mine.
— Today the forests are getting fewer and fewer, — We must ____ down too many trees
—_________students took part in planting trees on March .12 this year.— Yes. It is said that ________ the students is 300.
— I don’t know whether he will come this morning. If he ____, I ____you— Thank you very much.