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1.He was busy ___ his homework.After a short rest ,he went o

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1.He was busy ___ his homework.After a short rest ,he went on __ it
A.to do;doing B.to do;with C.doing;with D.doing;to do
2.--Would you mind ___ my pet dog while I am away?
--Sure,no problem
A.take care of B.Taking care C.to take care of D.taking care of
1.He was busy ___ his homework.After a short rest ,he went o
C be busy (in) doing sth忙于做某事
go on with sth\ doing sth 继续做同一件事
go on to do sth 继续做另一件事
D mind doing sth 介意做某事