I think the old should be spoken to _____(polite)应怎样填呢?Any why?

How old is the little girl?I think she may _____(be) eleven years old I think the old man is at_____(little)eighty years old.快 how old is the old woman i think she isA.70-year-old B.70 yearsC.70 year old D 70 years old 说下为什么 I think the old should be spoken to _____(polite)应怎样填呢?Any why? 翻译：I think the trouble of your right leg is just a matter of old age. I think people will live____(long),maybe to be 150 years old in the future. 英语 I do not think the question of __they are old or young is important the one is old.____ Betty.I think it's hers I think you very old.还是I think you are very old. The old scientist made another great discovery ,______ of great importance to science.A which i think B which i think is C which i think it is D i think which I think the book_ I think a new bridge _____ over the river near our village .The old one is broken. I think the trouble in the right leg isjust a matter of old age catching up with you.怎么译? -()will the plane land?-In the minutes,I think.A.How long B.How often C.how soonD.How old I'm only 4years old Just think I'm I-----what the old man said is right A am thinking B is thought C think D thought 英语翻译I think ,this story tries to tell ,specially,the old people not to believe others easily. 1.I think the troble in your right leg is just a matter of old age catching up with