问题
选择题
单项选择。
We ______ the Christmas tree with toys and lights. [ ]
A.put up
B.put on
C.put in
D.put at
答案
答案：A
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单项选择。
We ______ the Christmas tree with toys and lights. [ ]
A.put up
B.put on
C.put in
D.put at
答案：A
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