I don’t think you can work out the maths problem____her help. 
#28766
A
since
B
unless
C
with
D
without
推荐题目
Most products, ____ which this is one example, sell well, _______.
#27223
A
of; as advertised
B
of; like advertising
C
/; as an ad
D
/; like an ad
-----Haven’t you heard the news? -----What news?   ----- Some of the workers are _______ while others are ______.
#28331
A
on the march, on strike  
B
on march, on strike
C
on the march, on the strike
D
on the strike, on march