Robert has rich work experience, so it will for his lack of academic knowledge.
A. pick up
B. take up
C. bring up
D. make up
网友回答
A. pick up
B. take up
C. bring up
(答案→)D. make up
解析：考查动词短语辨析。A用车接，无意中学会，接受信号；捡起；恢复；B占据，从事于，开始做；bring up抚养，呕吐；make up化妆，编造，弥补，组成；本题中的make up for sth弥补sth；句意：Robert有很丰富的工作经验，所以可以弥补他专业知识的不足。根据句意说明D正确。