— Why is your father so busy these days? — He is _________ for my grandfather’s _________ birthday party.
#53448
A
preparing; ninth
B
preparing; ninetieth
C
waiting; ninth
D
waiting; ninetieth
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–Dad, will you buy me a new bike? --I don’t know. I’ll have to _________ it.
#60149
A
think about
B
wait for
C
put down
D
turn on