Before ______ （walk）across the road,you should look left and righ_英语解答

Before ______ （walk）across the road,you should look left and right.是用原型?

人气：496 ℃　时间：2019-10-29 12:50:08

解答

walking为什麼要用“to”：it's good to do sth.it只是个形式主语，没有具体意义，to do sth这个不定式短语才是句子的真正主语he ____（受伤）his leg just nowhurt