[ Grammar ]
It took a lot of — to find the Titanic.
A. afford
B. affordable
C. affordably
D. effort

Random Topics:
Past Simple, Past Continuous, Past PerfectPast ParticiplesCommon ErrorSimple Future - PassivePossessive Adjectives VS Possessive PronounsRelative - ConditionalPlaces in TownPresent TensesArgumentative VocabularyPerfect Verb TensesOther quiz:
Grammar › ViewMy sister and I ____________ dinner at 7.00 in the evening.
A. has
B. have
Simple Present and Past Tenses › View
I _______ something very delicious in the kitchen.
A. is smelling
B. smelling
C. smells
D. smell