They will be more useful after you(try) best.应该填什么

请教they will be meeting us请问这里的be没有可以吗?they will meet us这样可以吗? Be kind to them ,and then they will be frendly to us.的句子意思是? 这句话对吗?My classroom will be more beautiful than now to make us study better. Tomorrow they will be 英语翻译as social scientists study these two new family forms,they will be able to tell us more about the future of the nuclear family in the post-industrial age Now more and more peopie know piants are important.They will piant more trees and grow more piants.They will do their best to protect them.And our country will be more beautiful. they will be able see and hear us in action 怎么理解 in action they will be able ,as it were,to see and hear us in action.in both of us will be they can h____ us look more beatiful There will be more l____time when they retire from woke初二知识 They will be more useful after you(try) best.应该填什么 they will be more useful than what is common for early prototypes. will there be more parks? They will help us(变被动语态) ---Forests are very important to us ,aren't they?---Yes.If we have more forests ,they will helpyo keep () from running away.A.waterB.leaves c.treesD.grass Be more stronger.You will be fine! They ……for us .but it is more likely that they have gone without us .A.must be waiting.B can be waiting.C may be waiting.D are waiting.