( )more attention , the treescould have grown better. A.Given B.To give C.Giving D.Having given 说出原因
人气:376 ℃ 时间:2019-10-19 12:02:09
解答
答案是A. 首先从后半句看,用could have ,说明是虚拟语气,因此前半句应与后面对应,Given more attention其实是if (the trees)were given more attention 的缩略. B项To give说明事情还没发生,与题意不符. D项的错误在于应该使用被动,the trees是"被”给予关注的. C项不要说,肯定是错的.