Question

【题目】Mrs Black made her son (clean) his bedroom this morning.

Answer 1

【答案】clean
【解析】句意：今天早上布莱克夫人让她儿子打扫他的卧室。make sb do sth ,使/让某人做某事，由上文的made 可知此处应该是动词原形，所以答案是clean。