题目内容
（请给出正确答案）
[主观题]
Chinese tourists _________ $215bn outside mainland China in 2015.
A、has spent
B、spent
C、is spending
D、have been spent
提问人：网友xuantianwuji
发布时间：2022-01-07
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B、spent
C、is spending
D、have been spent
题目内容
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