I will never forget the happiest day in my life___i spend in the country.
问题描述:
I will never forget the happiest day in my life___i spend in the country.
a,when
b,which,
c,what
d,不填.
为什么选c
答
I spend ****,****个东西.是东西就是what- -...我解释清了米- -?