—The problem is very difficult. I'm afraid you can't work it out now. — I fail this time, I will try...
2022-12-29 05:19:38 186次 2015届山东省高一10月月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—The
problem is very difficult. I'm afraid you can't work it out now.
— I
fail this time, I will try it again.
A. Even if B.
Since C. As
if D. Though
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