wash/wash away
wash表示“洗(手、衣服等)”,既可作及物动词,又可作不及物动词;
wash away表示“冲走”、“冲垮”、“洗掉”,作及物动词短语用。
[EXERCISES]
①The flood some of the houses in the village.
②He his face and hands,then went downstairs.
③You must before dinner.
(Keys: ①washed away ②washed ③wash)