______ the prices of color TV sets down by 50%, the company had a very hard time.
#91510
A
As
B
With
C
Because of
D
For
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With so many problems ____, the new government is in rather a difficult situation.
#91377
A
remaining to be solved
B
remained to be solved.
C
remaining to solve
D
remain to solve
The boys were happily making a snowman, _________ with cold. 
#91206
A
their faces red
B
their faces were red
C
their faces to be red
D
their faces turned red