问题
选择题
The young trees should ______well as often as possible.
A．be water
B．watered
C．watering
D．be watered
答案
答案：D
题目分析：句意：这些小树要尽可能勤的浇水。主语是trees,与动词water浇水是被动关系，所以用被动语态，系动词be+动词过去分词；句中有情态动词should，be用原形，故选D。
搜题请搜索小程序“爱下问搜题”