问题

There is no doubt that he is a good professor__________he is doing fine.
A:but
B:because
C:so
D:yet
B:because
C:so
D:yet
正确答案是:
同类题型
You won the first prize in the English competition.– ____________ I always fail in English tests.
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____ the 1990s, the number of antelopes had fallen to about 50,000
My mother bought an MP4 player for me,but I don’t know.—Let’s read the instructions first.