When happiness knock my doo

When happiness knock my When happiness knock my door When happiness knock my doo knock knock knock knock knock knock When I met you girl my heart went knock knock怎么读? Did you hear someone___at the door when you___TV last night?A.knock,was watchingB.knock,watching C.knock,were watching D.knock,are watching When you ____ others,you should say sorry at once.A,knock toB,knock atC,kWhen you ____ others,you should say sorry at once.A、knock toB、knock atC、knock onD、knock into Knock!Knock!Knock!歌词 Please ____(knock)at the door when you come in. when the door of happiness close Happiness is when thedesolated soul meets love. knock on;knock at;knock over;knock When Tom.When Tom___(cross) the street,he ______(knock) down by a truck. Happiness