[ Use of Prepositions or Conjunctions ]
After so many trials, the experiment ____.
A. paid up
B. paid for
C. paid off
D. paid out
Select your answer:

Random Topics:
-ing &-ed AdjectivesThere is or There areTravel VocabularyGrammar - TOEICAntonymsContinuous TensesFamily VocabularyDo / Have / Can - Basic QuestionsAdverbs of Frequency and Everyday ActivitiesPassive Voice - Past SimpleOther quiz:
Conjunction › ViewWe didn’t come to school yesterday ___________ we were sick.
A. or
B. if
C. because
D. and
Grammar › View
Anita usually ____ to the beach at weekends with her cousins.
A. go
B. goes
C. not go
