____________he has a headache, he has to take an aspirin.
A. Because
B. Because of
C. Although
D. In spite of
KEY A
Giải thích: because + mệnh đề: bởi vì
Dịch: Bởi anh ấy bị đau đầu, anh ấy phải uống thuốc.
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.