Đáp án C
When you put one finger in front of your mouth, you mean, "Be quiet.": Khi bạn đặt một ngón tay trước miệng, ý bạn là, “Yên lặng.”
Undoubtedly, medical science will continue to (15) ________. Some people will be able to avoid medical problems that are unavoidable today.
European countries which have most (22) ____ assimilated English into daily life are England's neighbors in Northern Europe: Ireland, the Netherlands, Sweden, Norway, and the rest of Scandinavia.