[单选题]He was in a hurry and left things in a real ______.

正确答案 ：C

mess

解析：解析：in a mess意为“处于混乱之中”；mixture意为“混合，混合物”；mass意为“一块”；confusion意为“混乱，混淆”。

[单选题]How many tablets should one take before he goes to sleep?

正确答案 ：B

two

解析：解析：本题的依据句为“For maximum nighttime and early morning relief，take two tablets at bedtime.”B选项可以得到确认。

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