When adversity knocks on your door

When adversity knocks on your door When adversity knocks on your door 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. knock on;knock at;knock over;knock When Tom.When Tom___(cross) the street,he ______(knock) down by a truck. Adversity Quotient什么意思