4、ouliketogoshoppingwithme? —Sorry.I’m________amathproblem.A.workingoutB.workingonC.workingforD.workingwith答案:B解析:考查短语辨析。workout解算出;workon从事,做;workfor为……工作;workwith与……一起工作。句意:吉姆,你要和我一起去购物吗?抱歉,我正在做数学题。故选B。()7.—DoyoulikewatchingTV?—No,butmybrother________.A.does B.doC.is D