she ________herself to be good at typewriting.A.was proved b.has _英语解答

she ________herself to be good at typewriting.
A.was proved b.has been proved C.proved d.is being proved 为什么选C

人气：353 ℃　时间：2020-02-01 04:40:59

解答

prove (证明),此处作为不及物动词,没有被动语态!ABD都是被动态,所以只能选C.