Question

_____will you stay in America?   About two weeks.
A.How many  B. How often  C. How long

Answer 1

C

解析試題分析：How many多少，與可數(shù)名詞連用；How often 多久一次，How long多長時(shí)間，How如何；句意：你在美國將呆多久？大約兩個(gè)月。故選C.
考點(diǎn)：考查短語辨析。