Ⅰ.单项填空
1.(2016·泰州二中模拟)He accidentally________ he had quarreled with his wife and that he hadn’t been home for a couple of weeks.
A.let out B.took care
C.made sure D.made out
A 解析:let out“泄露; 一不留神说出”; take care“注意; 小心”; make sure“确信; 证实”; make out“辨认出来”。