一、be sure of doing sth.是什么意思?be sure to do sth和be sure of doing sth的区别是:读音不同、含义不同、用法不同。1、读音不同1.be sure to do sth2.be sure of doing sth二、含义不同1.be sure to do sth ...
一、求英语词组:修建?build;construct;erectbuild an airport;修建机场erect a monument;修建纪念碑construct a bridge;修建桥梁 二、求修建的英语词组?修建under construction正在修建一条新铁路。A new railw ...