______ know if they fixed his computer?
A. Do you
B. Have you
C. Are you
D. Were you
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Do you know ______ he plays basketball?
A. did
B. will
C. does
D. if
Can you tell me ______ you were born?
A. if
B. were
C. where
D. what
Do you know when the party ______?
A. start
B. starting
C. starts
D. /
He was tired, ______ he took a nap.
A. so
B. but
C. because
D. since