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问题
选择题
I often spend one hour and a half _____ my homework.
A. do
B. doing
C. to do
D. did
答案
答案:
B
判断题
对使领馆申报运进的公务用品,经海关审核后应全部予以免税。( )
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名词解释
喝了忘川的水
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