be sure to do sth be sure of sth be sure+that从句
be sure to do sth be sure of sth be sure+that从句
辩析be sure to do sth be sure to do sth be sure that+从句
make sure to do sth、be sure of sth、be sure that 、be certain
be sure+从句/be sure to do sth /be sure of sth/doing sth 有什么区别
辨析 be sure of 与be sure to do sth
be sure of sth
be sure that等于be sure of sth.
既然有be sure of sth,为什么宾语从句要用be sure that而不是be sure of that呢?
be sure to do sth和be sure of doing sth的区别
用Be sure to、Be sure to do 、Be sure of、Be sure that 造句
sure造句用surely造一句用be sure to do sth造两句用be sure (where what ho
be sure of sth.与 be sure about 区别?