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（ ）1000 English words since we ( ) to this school.A.learn,co

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（ ）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?
（ ）1000 English words since we ( ) to this school.A.learn,co
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?
（ ）1000 English words since we ( ) to this school.A.learn,co We __1000 English words since we __ to this school.A learn,c We_(learn)many words since we come to this school. They______（learn）about two thousand English words since they 英语高手进1.We _____ {learn} about 3000 English words since we ca 2.We ____(begin) to learn English since 3 years. i`ve been an english teacher（ since i came to this school） 对 by the end of this term,we ___(learn)5000 english words.应该填什 Li Lei____(learn)1,000 English words since last year Since ________ in this school,I have learn a lot of Chinese. We started to learn English( ) We ____________(learn)English since we were 10 years old.