The important task will take Peter and me about four months to complete so it will be a l

问题补充：

The important task will take Peter and me about four months to complete, so it will be a long time we meet you again.

A. after

B. when

C. since

D. before

答案：

A. after

B. when

C. since

(答案→)D. before

解析： 句型it will be +段时间 before “… 才… ” 这项重要的任务需要皮特和我四个月时间去完成，因此要过很长时间我们才能再次见到你。 选D