It's wrong ___ not ___ him a letter.A:of me ;to write B:for

It's wrong ___ not ___ him a letter.A:of me ;to write B:for It's wrong [ ]not to write him a letter.[ ]用of sb还是for It is very nice ___ you to write to me.A.of B.on C.for A:It's not ___ ___ for us to swim yet.(hot) B:It's ___ ___ f I think it is wrong __ our advice.A for him not to take B of 英语选择题（形宾）i think it wrong ___ him not to take our advice.A. Who are you going to make ___ the letter for you?A write B w It's wrong ___help me. A.for you to B.of you to C.for you no It's time ___ do homework.a.to b.FOR are you writing a letter ___ your friend?a.to b.for c.of 说明一 It's so kind _____ you to be kind ___ me.A of of B of to Cto 介词填空( )21.It’s wrong to play jokes ___ other people.A.on B.o