Half of the workers here under 30 .A. is;yearsB. are;year old C. is;years oldD. are;years

发布时间：2020-08-17 11:48:26

Half of the workers here      under 30     .
A. is;years
B. are;year old
C. is;years old
D. are;years of age

网友回答

A. is;years
B. are;year old
C. is;years old
(答案→)D. are;years of age
解析：half作主语时，谓语要与half后面的名词保持一致。workers是复数，谓语也要用复数。
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