.Within a moment, its body _______ swiftlyby the killer down into the depths of the sea.

171. We’ll hold a sports meet in our schoolif it __________ next weekend.

下列各句加点的成语的使用，全都不正确的一项是①“中星9

He has_____ work to do, so he can’t go with you.

. In salad bars the waiter does not bring you salad. You have to____ yourself, usually to as much as you want.