, please.Рto open; OK B.opening; Certainly notРC.opening; Of course D.open; Good ideaРWe couldn't help ______ after we heard the funny story.РA.laughing B.to laugh C.laughed D.being laughedРHow about _______?Рto go out for a walk B.go swimming in the riverРC.visiting the sick children in the hospital D.to having lunch in the reataurantРJenny is interested in _______ in her free time.Рlistened to the radio B.reading magazinesРC.watch TV D.plays tennisРMy mother is good at ______ cakes.РA.to make B.making C.make D.makesРIf you practice _____ English whenever you can, you will soon speak well.РA.talking B.going speak C.speaking D.to speakРI often spent much money _____ books.РA.to buy B.buying C.on buying D.for buyingРKnives are used for ______ things.РA.cutting B.being cut C.having cut D.cut