It's polite for students _____ hello to teachers?A.to say B.saying C.says D.say

it's polite for you to leave w____ saying people It's polite for people----------thanK you veIt's polite for people----------thanK you very often.A.to sPeaK B.to talK C.to tell D.to say As well all know,it's not polite to keep others_______(wait)for a long time. as we all konw,it's not polite to keep others_____ for along time When you get on the bus ,it`s polite to wait for your ( ) It's polite for you to b_____ well at the table填什么! it's polite ( ) him ( ) soA.for; to do B.of ;doing C.of; to do D.for ;doing it's not polite _____talk _____your mouth full it's not polite _____talk When you wait foa bus ,it's polite to wait for < > turn .A.your B.his C.you D.yours It's polite for students _____ hello to teachers?A.to say B.saying C.says D.say It is polite for/of you to do,哪个对? it is not polite （） you to eat from other's plates?of or for?polite修饰You就是of，而修饰eat from...就应该用for 不是都对吗 It seems that he's very polite.(改为同义句） ___seems___ ____very polite. stud It's polite _____ him ______ so.A.for;to do B.of;doing C.of;to do D.for;doing It's not polite to ask other people______(person) question. It's not polite to s___ at your parents. It's not polite to talk to your mother______that