
“What are you busy ________?”“I am busy ________ the plan for the sportsmeeting
“Whatareyoubusy________?”“Iambusy________theplanforthesportsmeeting.”A.in;tomakeB.wit...
“What are you busy ________?”“I am busy ________ the plan for the sportsmeeting.”
A. in; to make
B. with; to make
C. in; making
D. with; making 展开
A. in; to make
B. with; to make
C. in; making
D. with; making 展开
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