题目
"Trees turn green in spring." Here, the sentence structure is the same as " ____________".
A.
Ken takes the train every day
B.
We are playing games in the park
C.
Nelly can speak a little Chinese.
D.
Lily and I are both pretty outgoing
知识点：主语+系动词+表语章节：句法 / 简单句的基本句型