Question 23: Mr. Jones knew who had won the contest, but he kept it under his ____  until it

was announced publicly.

A. cap                                B. tongue                           C. hat                                 D. umbrella

1000 câu khó mục tiều 9+ Tiếng anh ôn Tốt nghiệp THPT Quốc Gia (Lesson 14)