House prices ______________________ in recent months. A: to plummete B: plummets C: has plummeted D: have plummeted

He ( ) into the water to save the child. A: plummeted B: pitched C: plumped D: plunged

The lowest number that was achieved. A: rocketed B: plummeted C: reached a peak D: hit a low (of)

With the abundance of material, people’s thirst for spiritual culture has ____________ in quality. A: tripped B: tripled C: halved D: plummeted