i saw the boys _____the road and go into the post office A.cross B.through C.across D.crossing
问题描述：
i saw the boys _____the road and go into the post office A.cross B.through C.across D.crossing
答
cross ...(only verb to be in parallel with the following)
and go into
答
A 和后面的go并列
答
选A,saw是see的过去式,要记see…do的结构,
答
A.cross，动词原形，零不定式