s If the drain hole is clogged （堵塞）,clean it.
A.If the drain hole is blocked, clean it. B.If the drain hole is leaked, clean it C.If the drain hole is locked, clean it正确答案A
s If the drain hole is clogged （堵塞）,clean it.
A.If the drain hole is blocked, clean it. B.If the drain hole is leaked, clean it C.If the drain hole is locked, clean it正确答案A
