问题
选择题
He still remembers when he was a little boy, he used to go there and watch ______. [ ]
A. to repair trucks
B. trucks to repair
C. trucks being repaired
D. trucks repairing
答案
答案:C
He still remembers when he was a little boy, he used to go there and watch ______. [ ]
A. to repair trucks
B. trucks to repair
C. trucks being repaired
D. trucks repairing
答案:C