We should _______ humans from ________ down too many trees. —I agree with you. Trees are very important to us.

Because of the financial crisis this year, the company decided not to _____ dividends (股息) to its shareholders. [ ]

y, I have to now. It’s time for class.—OK. I’ll call back later.

Could I watch TV tonight, Mum— Yes, you _______. But you _______ go to bed before 10 o’clock.

John, have you seen the program＂I am a singer＂ which______ hosted by Hunan TV— Yeah, of course. Each boy and each girl in our class ____ it.