Minh had a terrible headache. _______, he went to school.
A. However
B. But
C. Although
D. Because
KEY A
Giải thích: Vì however nối 2 câu nên cấu trúc câu với however là [. / ;] however [,]
Dịch: Minh đau đầu dữ dội. Tuy nhiên, anh ấy vẫn đến trường.
Hardly any of the paintings at the gallery were for sale, _____?
English has become a second language in countries like India, Nigeria or Singapore where_______ for administration, broadcasting and education.