Question

I do every single bit of housework ________ my husband Bob just does dishes now and then．

1. A.
   since
2. B.
   while
3. C.
   when
4. D.
   as

Answer 1

B
解析：
本题考查连词用法。空前后的句意构成转折和对比，所以只能选B，此时的while表对比，为并列连词，意为“然而、但、却”。空后内容构不成前部分的状语，前后为两个等立的分句，全句为并列句。