题目内容
I do every single bit of housework _______ my husband Bob just does the dishes now and then.?
| A.since | B.while? | C.when | D.as? |
B?
while表示对比,意为“而”。我做每一件家务,而我的丈夫Bob只是偶尔做做菜。
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题目内容
| A.since | B.while? | C.when | D.as? |