We must keep our room clean, for dirt and disease go______, you know.
A.hand in hand
B.step by step
C.from time ti time
D.one zfter another
网友回答
A解析句意：我们必须保持室内卫生，你知道脏乱与疾病是分不开的。hand in hand---happenning together and closely connected密切相关的，同时发生的。本句还可说成：Dirt goes hand in hand with disease.