[ Grammar ]
I didn’t ………………..(know) what to do! Should I climb the roof and rescue her?
A. knew
B. knowing
C. know

Random Topics:
Future FormsThird Grade ExamVerbs, Tenses, and VocabularyGrammar - PunctuationPresent and Past TensesPreposition and Preposition PhraseGrammar RulesSome & AnyTOEIC Tenses, VerbsPast simple - Irregular VerbsOther quiz:
Conjunctions › View……………it was raining, she decided to walk.
A. or
B. though
C. so
D. and
Tenses › View
I ____ to the store yesterday.
A. went
B. have gone
C. go
Tenses › ViewIt took me 3 hours _______ (buy) the dresses and shoes.
A. buying
B. buy
C. to buy
D. bought
Toeic Verb › View
We ……. coffee when the new Vice President came into the office.
A. have
B. were having
C. will have
D. have had
