They sit ____ the classroom with a lot of trees and flowers ___ it.A.in front of,in front of

问题描述:

They sit ____ the classroom with a lot of trees and flowers ___ it.A.in front of,in front of
B.at the front of,at the front of C.in front of,at the front of D.at the front of,in front of 快啊,急,

D.at the front of,in front of
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