Topics: 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:
Simple and Continuous TensesPrepotitionsmust/shouldNoun / PronounGrammar and IdiomsCountable QuantifiersAuxiliary WordsNoun Verb AgreementPresent Simple ProgressivePrepositionOther quiz:
Grammar and Vocabulary › ViewMy father’s name is Tom. ________ sister’s name is Erica.
A. His
B. Their
C. Her
Modal Verbs › View
We … play computer games later. (maybe)
A. will
B. won’t
C. might
D. might not
