be sure that等于be sure of sth.
be sure that等于be sure of sth.
be sure to do sth be sure of sth be sure+that从句
make sure to do sth、be sure of sth、be sure that 、be certain
be sure of sth
be sure (of) that
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?
辩析be sure to do sth be sure to do sth be sure that+从句
用Be sure to、Be sure to do 、Be sure of、Be sure that 造句
辨析 be sure of 与be sure to do sth
be sure of sth.与 be sure about 区别?
be sure that与be sure of区别
Be sure of sth:确信某事