65.
Your Answer is
Correct Answer is C
Explanation
Item A/B: teach-taught-taught, so A/B is wrong. The subject is N1 and N2, and the predicate uses have done instead of has done.
65.
Your Answer is
Correct Answer is C
Explanation
Item A/B: teach-taught-taught, so A/B is wrong. The subject is N1 and N2, and the predicate uses have done instead of has done.