John's parents work in the hospital. They _____ doctors. [ ]A. all are B. are all C. are bothD.

题目简介

John's parents work in the hospital. They _____ doctors. [ ]A. all are B. are all C. are bothD.

题目详情

John's parents work in the hospital. They _____ doctors.
[     ]
A. all are
B. are all
C. are both
D. both are
题型:单选题难度:中档来源:江苏省月考题

答案

C

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