–May I go to the concert with you?– I’m afraid not ______you have a ticket, because I have only one.
#56155
A
since
B
if
C
unless
D
though
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——Excuse me. Is it my turn now?——Not yet. Please wait on the chair ______your name is called.
#55321
A
and
B
until
C
although
D
since
—__________ do you cook for your family?—Sorry, never.
#56172
A
How much
B
How many
C
How often
D
How old
