li lei wants to be a singer .he thinks it's an interesting .A.work B.hobby C.job
问题描述：
li lei wants to be a singer .he thinks it's an interesting .A.work B.hobby C.job
答
选C.job
意思是：李磊想成为一名歌手.他觉得这十分很有意思的工作.
work是不可数名词,但是题中有不定冠词an,所以只能用job,因为job是可数名词.如果用work,可以这么说：Li Lei wants to be a singer .He thinks it's interesting work .用hobby不通顺,显然李磊是想成为一名歌手,所以是将singer作为一个职业,而不是兴趣.