be. sure. that.. 和 be certain that .. 哪个对?
be. sure. that.. 和 be certain that .. 哪个对?
make sure to do sth、be sure of sth、be sure that 、be certain
make sure 和 be sure that +句子
be sure to 和be certain
be sure (of) that
be sure that +从句
be sure that+从句和do
be sure that 同义句
be sure (that),be sure of 和make sure 的区别
用Be sure to、Be sure to do 、Be sure of、Be sure that 造句
be sure that与 make sure that的区别
sb.be sure of+从句和sb.be sure that+从句 有什么区别吗?