drop的過去式怎么寫

　　例句

　　1.Temperatures can drop to freezing at night

　　夜間溫度可能會降到零度以下。

　　2.I dropped my glasses and broke them.

　　我不小心把眼鏡掉下來摔碎了。

　　3.He felt hot tears dropping onto his fingers

　　他感覺到熱淚掉到他的手指上。

　　4.Drop the noodles into the water

　　將面條下到水里。

　　5.Nancy dropped into a nearby chair

　　南希疲憊地癱坐到近處的椅子上。