None of the students failed the exam, (did/didn't) he
举一反三
- No one failed in the exam, _____ ? A: was he B: did one C: did they D: didn’t he
- 4. Again as __________ in this experiment, he didn' t lose heart. A: he failed B: did he fail C: he did fail D: had he failed
- 直到他考试不及格，他才知道努力学习很重要。 A: Not until he failed the exam he knew that working hard is important. B: Until he failed the exam did he know that working hard is important. C: Not until did he fail the exam he knew that working hard is important. D: Not until he failed the exam did he know that working hard is important.
- _______ he failed in the English exam wasn’t clear.
- He complained that they didn’t cooperate with him,________? A: didn’t they B: didn’t he C: did they D: did he