The infrastructure of a country is      makes everything run smoothly, including things like transport, irrigation, electricity, postal service, telephones and schools.
#69516
A
that
B
what
C
which
D
as
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 The songs _____ she sang in the concert yesterday sounded _____.
#71888
A
/ ; beautifully
B
that ; wonderfully
C
which ; well
D
/ ; nice
These shoes look very good. I wonder __________. 
#73894
A
how much cost they are
B
how much do they cost
C
how much they cost
D
how much are they cost