昆山纬创有多少人:——Have you been to Hangzhou or Suzhou?

——Have you been to Hangzhou or Suzhou? Have you ever been to Singapore have you been to the Great wall? Not---- have you been to the Great wall? Not---- how long have you been keeping this to yourself? 翻译：HOW MANY TIMES HAVE YOU BEEN TO BEIJING? Have you ever been to Singapore？全文翻译 What have you been up to?什么意思？ 关于Have you been to的选择题（初中） Have you been.