The eggs will go bad soon in such hot weather ________ they are put in the fridge. 
#46192
A
although
B
because
C
unless
D
until
推荐题目
Is it important ________us __________ learn English well?
#48822
A
for, learning
B
for, to learn
C
of, learning
D
of, to learn
Keys _______ opening the lock in the door.
#47057
A
used for
B
are used
C
are used to
D
are used for
 The boy is very fat _______too much food.
#48695
A
so
B
so of
C
because
D
because of