问题
选择题
Every year lots of trees ____________ to make our country more beautiful.
A．is planted
B．was planted
C．are planted
D．were planted
答案
答案：C
本题是考查的是一般现在时的被动语态，故选C
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Every year lots of trees ____________ to make our country more beautiful.
A．is planted
B．was planted
C．are planted
D．were planted
答案：C
本题是考查的是一般现在时的被动语态，故选C