That tests can actually give measurement of the language skills of the students by many teachers.
A. questioned
B. are questioned
C. is questioned
D. questioning
网友回答
A. questioned
B. are questioned
(答案→)C. is questioned
D. questioning
解析：考查主谓一致和语态：句意：那种测试真的可以衡量学生的语言水平被很多老师质疑。这句话的主语是that引导的主语从句，主语从句后面的谓语一般是单数，而且这件事是被质疑。选C。