1.The mother warned her son against _____ with other boys.
A.fight B.to fight C.fighting D.fough
2.The boy refused _____for climbing the tall tree.
A.to pay B.to be paid C.being paid D.paying
3.The mother warned her son against _____ with other boys.
A.fight B.to fight C.fighting D.fought
4.The doctor warned me not ______any more.
A.smoke B.to smoke C.smoking D.smoked
5.We got _____ and succeeded in _____ our model plane.
A.to work; to make B.working; making C.to work; making D.working ; to make
6.Weather _____,we will start at six tomorrow morning.
A.to permit B.permit C.permitting D.permitted
我是为什么，