1. Don’t talk about such things of __________ you are not su

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1. Don’t talk about such things of __________ you are not sure. A. which B. what C. as D. those

选 A
Don’t talk about such things of _which___ you are not sure.不要谈论你不肯定的（你没把握的）事情.
be sure of sth 是词组,词组里带有of
Don’t talk about such things （主句） of _which___ you are not sure（定语从句）（of 也可以防在句末：Don’t talk about such things which you are not sure of）
such things“ 这样的事情”是先行词,which是连接词引导定语从句
再问：恩，谢谢您
再问：恩，谢谢您
再答：不客气

再问：嘻嘻

1. Don’t talk about such things of __________ you are not su 1.Don’t talk about such things of __________ you are not sur 定语从句 1. Don’t talk about such things of __________ you are n 定语从句 1.Don’t talk about such things of __________ you are no 1.Don’t talk about such things of _______ you are not sure. Don't talk about such things of （） you are that ,区别Don't talk about such things ,（）you are not sure of. Don,t talk about such things you are not sure of? Don't talk about such things ( ) you are not sure of.A.that 1.Don't talk about such things ___you are not of. Don't talk about such things___you are not sure of Don't talk about such things that you do not understand