should be in good order 为什么加be

I think teachers should [ ]carefully in class.I agree,Or student can't get good gradesA.listen B.be listened to C.be listen toD.be listened should be in good order 为什么加be what qualities should a good friend have?should they be wise loyal or funny? animals in sports should be banned or not?why? I think evey one should be in good health 同义 should students be challenged or All science students,______,should have a good foundation in basic sciences.a.whether they are future physicists and chemists b.they are future physicists or chemists c.they should be future physicists or chemists d.be they future physicists or chemi All science students,be they future physicists or chemists,should have a good foundation ．为什么要用be they? translation in needIt is important for us to employ a word or phrase to the situation in language studies.SUch good use should be made of one's spare time to study another foreigh language. i think a good friend should be t__ in music 英语i think a good friend should be t__ in music Good,or Don't Be nowadays the old should( )in our societyA be taken good careB be taken good care ofC be taken well careD take good care of 英语作文：Should animals be kept in a zoo?Why or why not? In your opinion,should abortion be legal or illegal?Why?Give some pros and cons. should college students be involved in business activities?why or why not? In a few days,this should all be over,one way or the other. This should be done in advance or at the beginning of each day. Love and be loved in between,I should choose the former or the latter?中文翻译