How many trees _____ in the last two years Awere pianted Bplanted Chave planted Dhavebeen planted

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How many trees _____ in the last two years Awere pianted Bplanted Chave planted Dhavebeen planted

How many trees _____ in the last two years Awere pianted Bplanted Chave planted Dhavebeen planted
How many trees _____ in the last two years Awere pianted Bplanted Chave planted Dhavebeen planted

How many trees _____ in the last two years Awere pianted Bplanted Chave planted Dhavebeen planted
D have been planted
句子有时间状语in the last two years,是用完成时态的标志,另外trees是被种的,用被动语态.

D have been planted
句子有时间状语in the last two years,是用完成时态的标志,另外trees是被种的,用被动语态。

d