Question

Sun Tao has had a _______  English course, but he still doesn't know

A．six-month; how to spell this word

B．six months; how spell the word

C．six-months; how he should spell this word

D．six-month; how should he spell the word

Answer 1

A

six—month“六个月”，是由“数词+名词”构成的复合词，其中的名词不可用复数形式；后一空为“疑问词+动词不定式”作宾语。