— I think English is __________ unimportant subject.
— I don’t think so. It is __________ useful tool when we talk with foreigners.
A.a; an | B.an; a | C.a; a | D.an; an |
— I think English is __________ unimportant subject.
— I don’t think so. It is __________ useful tool when we talk with foreigners.
A.a; an | B.an; a | C.a; a | D.an; an |