-()will the plane land?-In the minutes,I think.A.How long B.How often C.how soon

问题描述:

-()will the plane land?-In the minutes,I think.A.How long B.How often C.how soon
D.How old

C
how soon(多久以后)用于将来时“一段时间以后”提问.
确保正确,