3.(2015江办办州昆山第一次质检,4)—Howmuchdifficultyhastheteamhadthisproblem?—.Themembersareallgoodproblemsolvers.A.tosolve;NothingB.solving;NoneC.tosolve;NoneD.solving;Nothing
3. ( 2015 江办办州昆山第一次质检,4) —How much difficulty has the team had this problem?
— .The members are all good problem solvers.
A. to solve;Nothing B. solving;None
C. to solve;None D. solving;Nothing
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