The field research will take Joan and Paul about five months; it will be a long
题型：不详难度：来源：
The field research will take Joan and Paul about five months; it will be a long time __________ we meet them again.| A．after | B．before | C．since | D．when |
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答案
| B。 |
解析
| before引导时间状语从句。It will be a long time before…的意思是“要过很久才会……”，如：It will be a long time before we finish this dictionary. 我们需要很长的时间才能把这部词典编完。It was a long time before I got to sleep again. 过了好久我才又睡着。 |
举一反三
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