问题
选择题
Young trees should ________ every day.
A．water
B．watered
C．be watering
D．be watered
答案
答案：D
浇树“ water the trees”, trees作主语应该用被动语态 be +过去分词。应该每天浇树。选D
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Young trees should ________ every day.
A．water
B．watered
C．be watering
D．be watered
答案：D
浇树“ water the trees”, trees作主语应该用被动语态 be +过去分词。应该每天浇树。选D