祈使句时 是to be sure 还是 be sure
祈使句时 是to be sure 还是 be sure
be sure of 和 be sure to
be sure to do的主语是人还是it?
Be sure to close the windows是不是祈使句?可不可以写为Being sure to close
用Be sure to、Be sure to do 、Be sure of、Be sure that 造句
be sure toI am sure the 3.4 to 4 oz will be fine.请问是要3.4的还是4
be sure
make sure,be sure of ,be sure to do,for sure的区别
be sure to go there
be sure to后面是加名词还是动词啊 这个to是介词还是不定式?
be sure to 与 be sure of 的区别
be sure of 与 be sure to的区别