In the last six to nine months,teens in the US to text messaging in numbers twice that in

发布时间:2020-08-16 06:36:13

In the last six to nine months,teens in the US     to text messaging in numbers twice that in Europe and Asia.
A. took
B. have taken
C. had taken
D. would take

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A. took
(答案→)B. have taken
C. had taken
D. would take
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