I don’t think you can work out the maths problem____her help. 
#28766
A
since
B
unless
C
with
D
without
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More and more high-rise buildings have been built in big cities____ space.
#25222
A
in search of
B
in place of
C
for lack of
D
for fear of
Some doctors were sent t?the front where medical workers were ___. 
#28804
A
in great need
B
in great need of
C
needed great
D
needed in
________ its low price, the advantage of this car lies in its good quality.
#27211
A
According to
B
Different from
C
Apart from
D
Due to