---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 |