Rick has learned a lot about Chinese culture _____ he came to China.
#55330
A
before
B
when
C
until
D
since
推荐题目
My mother often plays table tennis __________my father doesn’t like sports.
#56461
A
and
B
but
C
so
D
or
I was late for class yesterday __________ there was something wrong with my bike.
#56675
A
when
B
that
C
because
D
until
