When he came back, everything _________ .
A. has changed
B. had changed
C. have changed
D. were changing

Random Topics:
Vocab and GrammarThe First Conditional (if/unless)Grammar & TensesPrepositions after Verbs and AdjectiveTransportation VocabularyFinite and Non-Finite VerbGrammar of Conjunctions and PrepotitionsDistinguishing Future TensesModals in the PastGrammar - SimilesOther quiz:
Grammar › ViewYour sister would have helped you if she ___________ been so busy.
(3rd conditional)
A. wouldn’t
B. hadn’t
C. might not
D. haven’t
Adverbial Clauses of Manner and Result › View
The recycling program was efficient. It significantly reduced waste in landfills.
A. The recycling program was so ineffective that waste in landfills increased.
B. The recycling program was so efficient that it significantly reduced waste in landfills.
C. The recycling program was so ineffective that it increased waste in landfills.
D. The recycling program was so poorly managed that it had no impact on landfill waste.
Parallel Structure or Combining Sentences › ViewComplete each question by choosing the expression which makes the sentence parallel.
*This fear is caused partially by our lack of understanding of the causes of volcanoes and___________.
A. partially by our own inability to control them
B. partially because we are unable to control them
Ed and Ing Endings › View
There was no school today. Nobody had told me. I got to school as usual at 7:50. The security guard laughed at me and I had to go home. I was rather …
A. annoyed
B. annoying
