Examination compositions, together with most business letters and government reports, are the main situations ____ formal language is used.
#72137
A
in which
B
on which
C
of which
D
for which
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Not only_______ the food in the restaurant, he______ to pay for it.
#69506
A
he complained about; also did refuse
B
did he complain about; also refused
C
did he complain about; also did refuse
D
he complained about; also refused