问题
选择题
—Do you plant trees in spring?
—Yes. Many trees ______ in our city every year. [ ]
A. are planting
B. are planted
C. were planted
D. be planted
答案
答案：B
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—Do you plant trees in spring?
—Yes. Many trees ______ in our city every year. [ ]
A. are planting
B. are planted
C. were planted
D. be planted
答案：B