knuckle

[ˈnʌkl]
noun

1.	ANAT (Finger)knöchel der

2.	[of meat] Haxe die

knuckle down

intransitive verb Coniugazione

sich dahinter klemmen

to knuckle down to sthg

sich hinter (A) etw klemmen

intransitive verb

knuckle

Francese

Spagnolo

Italiano

Complétez la séquence avec la proposition qui convient.

That house is in bad condition! It … painted a long time ago.
- should be
- should have been
- should have