問題詳情:
Many trees ________ on the streets every year. So the air is very fresh now.
A. plant B. are planted C. planted D. were planted
【回答】
B
知識點:動詞語態
題型:選擇題
問題詳情:
Many trees ________ on the streets every year. So the air is very fresh now.
A. plant B. are planted C. planted D. were planted
【回答】
B
知識點:動詞語態
題型:選擇題