.It’s important __________ us students _______ carefully in class.
#40839
A
for; listening
B
of; listen
C
for; to listen
D
of; to listen
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 ______ does ______ packet of chips cost?
#40873
A
How much, a
B
How much, an
C
How many, an
D
How many, the
I didn’t know __________. Can you tell me?
#41111
A
who to speak to
B
who speak to
C
who to speak
D
who spoke