______ he became seriously ill, he still went on working. A．If B．Unless C．And D．Even though
2023-02-21 07:15:08 31次 2012-2013学年浙江临安於潜初中初三10月单元练习英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
______ he became seriously ill, he still
went on working.
|
A．If
|
B．Unless
|
C．And
|
D．Even though
|
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