Tom didn't feel well.So he went to the office to ( ) leave.A

Tom didn't feel well.So he went to the office to ( ) leave.A.please B .call C.ask for D.beg2.My parents always tell me ( )on the road .A .not play B.not to play C.to play D.not play3.Listen.Who ( )the door A.knocking at B.is knocking C.is knocking at D.knocked at4.He is good at singsing .Everyone ( )him in his school.A cjean B.to clean C.cleaned D.would clean