According to the passage, the way in which we express our gratitude depends on all the following EXCEPT
A. culture.
B. gender.
C. formality.
D. circumstance.
查看答案
正确答案是()
A. and
B. or
C. nor
D. but
正确答案是()
A. surface
B. appearance
C. crust
D. cover
正确答案是()
A. might
B. should
C. must
D. are to
正确答案是()
A. burst out
B. flowed out
C. leaked out
D. trickled out