.It is often said that an American start
题型:选择题
问题:
.It is often said that an American starts speech with a joke, __ a Japanese has an apology to make.
A.as
B.when
C.which
D.while
.It is often said that an American starts speech with a joke, __ a Japanese has an apology to make.
A.as
B.when
C.which
D.while