中国石油大学 / 中石油
正确率:100%
4. By the way, Linda, you didn' t tell me what you' re studying here. Linda: Oh, ___I? I' m doing law.
A、did
B、do
C、didn' t
D、don' t
A、did
B、do
C、didn' t
D、don' t
参考答案:
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