（ ）1000 English words since we ( ) to this school.A.learn,come B.have learning...
问题描述：
（ ）1000 English words since we ( ) to this school.A.learn,come B.have learning...
（ ）1000 English words since we ( ) to this school.
A.learn,come
B.have learning,came
C.have been learning,come
D.have learned,came
为什么不是C?
答
第一,没听过有have been doing 这个用法,难道是完成进行时?
第二,我们自己学不用被动语态
第三,since 引导的状语从句,since后面永远是过去时.
明白?