We’ll visit Expo 2010 Shanghai this Sunday_______ it rains or it’s very hot．
#58511
A
since
B
if
C
unless
D
until
推荐题目
Stephen Hawking can’t walk or even speak，_____he has become very successful.
#58267
A
but
B
and
C
or
D
then
—Why was he late for school?— ________his bike was broken on the road.
#56816
A
Since
B
Because
C
As
D
Because of