do they often play ball games not before
Theyoftenhadfun______ballgamesbefore．Butnowtheyhavenotime______after-schoolactivities...
They often had fun ______ ball games before．But now they have no time ______ after-school activities．（ ）
A. playing，doing
B. to play，doing
C. to play，to do
D. playing，to do 展开
A. playing，doing
B. to play，doing
C. to play，to do
D. playing，to do 展开
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