题干
There is a big tree _______ our classroom.
A：in front
B：in the front
C：in the front of
D：in front of
答案(点此获取答案解析）
D
There is a big tree _______ our classroom.
A：in front
B：in the front
C：in the front of
D：in front of
表示气压带，
表示风带,完成。
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