题目内容
【题目】A lot of trees _____ around here every year, and we can enjoy fresher air now.
A. were planted B. are planted C. will plant D. are planting
【答案】B
【解析】试题句意：每年这里周围种植大量的树，现在我们可以呼吸到新鲜的空气了。根据句意，树木被种植，用被动语态，故选B。
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题目内容
【题目】A lot of trees _____ around here every year, and we can enjoy fresher air now.
A. were planted B. are planted C. will plant D. are planting
【答案】B
【解析】试题句意：每年这里周围种植大量的树，现在我们可以呼吸到新鲜的空气了。根据句意，树木被种植，用被动语态，故选B。