问题
选择题
He collected information on 1,000 people, whose IQ when they were ten years old. [ ]
A. is tested
B. has tested
C. would test
D. had been tested
答案
答案：D
搜题请搜索小程序“爱下问搜题”
He collected information on 1,000 people, whose IQ when they were ten years old. [ ]
A. is tested
B. has tested
C. would test
D. had been tested
答案：D