We couldn’t reach the house______the road was flooded.
A. because
B. because of
C. if
D. though
KEY A
Giải thích: because + mệnh đề: bởi vì
Dịch: Chúng tôi không thể tiếp cận ngôi nhà vì con đường đã bị ngập.
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.