问题描述：
the question of whether certain chemical fertilizers are a curse or are they a blessing is still?
the question of whether certain chemical fertilizers are a curse or are they a blessing is still being debated?
出自sat语法,这句话是对的吗?我认为是不是is still being debated错了?
the question of whether certain chemical fertilizers are a curse or are they a blessing is still being debated?
出自sat语法,这句话是对的吗?我认为是不是is still being debated错了?
问题解答：
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