The old couple looked at the plane with their son on it until it was ______. A. at the first sight B...
2022-11-05 11:33:57 66次 2014-2015学年江苏响水中学高一上期末英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The old couple looked at the plane with their son on it until it was ______.
A. at the first sight B. out of sight
C. in sight D. at the sight of
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