问题补充:
I _______ a letter once a week to my family when I was in my first college year.
A. writeB. was writingC. have writtenD. wrote
答案:
答案 :D
时间:2018-12-11 14:21:48
I _______ a letter once a week to my family when I was in my first college year.
A. writeB. was writingC. have writtenD. wrote
答案 :D