题目
So far, over 200 million trees _______ with the help of Alipay Ant Forest.（ ）
A.
were planted
B.
have planted
C.
have been planted
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So far, over 200 million trees _______ with the help of Alipay Ant Forest.（ ）
were planted
have planted
have been planted
答案与解析
自由组卷
围绕这道题再组一份练习 →
完整试卷
浏览同年级试卷结构 →