to be sure是什么意思?举例,举多点
be sure to/be sure of举例区别
be sure of 和 be sure to
用Be sure to、Be sure to do 、Be sure of、Be sure that 造句
be sure to go there
make sure,be sure of ,be sure to do,for sure的区别
be sure to 与 be sure of 的区别
be sure of 与 be sure to的区别
Be sure of与Be sure to有什么区别
be sure of be sure to do 的区别·
辨析 be sure of 与be sure to do sth
祈使句时 是to be sure 还是 be sure
辩析be sure to do sth be sure to do sth be sure that+从句