他不小心猛拉了一下绳子，结果把整堆东西都弄倒了。

He accidentally ___jerked the rope and knocked over the whole pile.

他猛地一拉绳子，把风筝拽了下来。

He ___jerked the rope and pulled the kite down suddenly.

他突然猛拉了一下绳子。

He suddenly ___jerked the rope with a sharp pull.

当蜘蛛爬到她手上时，她的手突然抽动了一下。

Her hand ___jerked suddenly when a spider crawled onto it.