问题
选择题
We ______ 1, 000 English words since we ______ to this school. [ ]
A. learn; come
B. have learned; came
C. have been learning; came
D. have learned; come
答案
答案：B
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We ______ 1, 000 English words since we ______ to this school. [ ]
A. learn; come
B. have learned; came
C. have been learning; came
D. have learned; come
答案：B