A.to look after B.to be looked after C.being looked after D.looking after
A.debt B.found C.loan D.payment
A.have B.do C.am
A.canB.mayC.mustD.needn't
A.intime B.inturn C.inadvance D.indetail
A.covering B.covered C.cover D.tocover
A.man B.maned C.manning D.manned
A.but B.therefore C.and D.nor
A.essential B.great C.necessary D.dominant