[ Grammar ]
Not until my neighbour had taken off his wig ____ him.
A. that I recognised
B. did I recognise
C. had I recognised
D. when I recognised

Random Topics:
Tenses and Word FormationAdverbs of Manner, Likes and PreferencesAuxiliary VerbsFuture FormsDirect and Indirect SpeechSo Such Enough TooWishesThird ConditionalsWh QuestionsComparativesOther quiz:
Grammar › ViewSome people love horror movies. ____________ hate scary things.
A. Another
B. Other
C. Others
Gerunds and Infinitives › View
_________ a big mountain takes a lot of money.
A. Climbing
B. climb
C. climbs
D. to climbing