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】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：be+过去分词，所以答案是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】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：be+过去分词，所以答案是B。