4、C.themselvesD.yourselves10.David didn’t want to work withelse, and he hoped todo it by himself.A. somebody B. anybody C. everybodyD.nobody11.Wefind_________impossibleforustolearnaforeignlanguagewellinashorttime.A.thatB.thisC.oneD.it12.—IsMr.Smithlivinginthehousealone?—Yes,althoughtheyhavet