When I _______ to the airport, I realized that I _______ my passport at home.
A. got/had left
B. got/left

Random Topics:
Gerund Subject or ObjectProgessive TensesInfinitives and GerundsIntensifiers: Really vs VeryGrammar: SyntaxGerunds and TensesLinking Verbs and TensesClauseDefinite & Indefinite Pronoun & ConditionalsModals of Obligation and PermissionOther quiz:
Expressing Obligation and Modals › ViewComplete the sentences with the correct form of the modals and verbs in parentheses:
You ___________ (have / have) a unique business idea. You can make an old idea better.
A. don’t have to
B. don’t have to have
C. doesn’t have to have
Conjunctions › View
We walked all the way _______ it was raining very hard.
A. although
B. so
C. however
D. moreover
Mixed General Quiz › ViewThe magnificent mansions on Avenid Paulista were later replaced by skyscrapers that ___ international banks, consulates, restaurants, art galleries, bookstores, etc.
a. houses
b. housed
c. house
d. was housed
Vocabulary › View
We’ve never seen such a rapid increase in deaths. It’s ________.
A. unprecedented
B. unknown
C. prime
D. proficient
