Several thousand have signed up in the past year.
在过去一年内就有几千人加入这个组织。
Almost 1,500 members have signed up since the site, which is free to join, went live.
该网站注册免费，自创办以来，注册人数已达1500人。
Do you know how many students have signed up for the course?
你知道有多少学生报名修这门课吗？
Do you know how many students have signed up for the course?
你知道有多少学生报名修这门课吗？
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