问题
选择题
Though they are new in the film, _____ they do very well. [ ]
A. but
B. however
C. yet
D. so
答案
答案：C
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Though they are new in the film, _____ they do very well. [ ]
A. but
B. however
C. yet
D. so
答案：C
较维拉帕米特有的心脏作用特点是（）