(选择题）We must make ( ) known to all ( )smoking is harmful to health.We must make ( ) known to all ( )smoking is harmful to health.A.that;/B.ti;thatC.this;/D.ti;what抱歉打错了几个单词：分别是BD的2个答案中的ti应该是it.sorry！！~~
问题描述：
(选择题）We must make ( ) known to all ( )smoking is harmful to health.
We must make ( ) known to all ( )smoking is harmful to health.
A.that;/
B.ti;that
C.this;/
D.ti;what
抱歉
打错了几个单词：
分别是BD的2个答案中的ti应该是it.
sorry！！~~
答
B 不好意思~~前面竟然看错选项啊
答
选B,IT是形式宾语无意义,THAT引导从句,因为有现行词ALL所以要用THAT