be sure of 造句
be sure of 造句
用Be sure to、Be sure to do 、Be sure of、Be sure that 造句
be sure of 和 be sure to
be sure of翻译
be sure (of) that
be sure of sth
造句,be sure和be not sure if/whether各二句.
用be sure ,be not sure,are you sure...be sure of的相应形式填空
造句 1 fill in 2 be filled with 3 all sorts of 4 make sure tha
be sure to/that/of造句,并进行同意句的转化
be sure to 与 be sure of 的区别
be sure of 与 be sure to的区别