John smith________ a letter to his mother yesterday.a、wrote b、 had wrotec、 was written d、 writes

问题描述:

John smith________ a letter to his mother yesterday.
a、wrote
b、 had wrote
c、 was written
d、 writes

a 因为有时间状语yesterday,应该是一般过去时,去bd;而且此句为主动,不需要被动形式,所以去 c.