Milk quickly goes bad in summer it is in a fridge(冰箱).
#57061
A
if
B
because
C
unless
D
when
推荐题目
—Hurry up! The bus is coming. —Wait a minute. Don’t cross the street _______ the traffic lights are green.
#58477
A
until
B
after
C
while
D
since
Some people waste a lot of food___________ others don’t have enough to eat.
#56217
A
however
B
when
C
as
D
while
—When did your daughter go to sleep last night?—She didn’t go to bed ______ she finished her homework.
#55989
A
before
B
after
C
until
D
then