[ Tenses ]
By the time I was thirty, I _____________ more than twenty countries.
A. visited
B. was visiting
C. had visited

Random Topics:
Conditional and Mix Conditional SentenceBe used to vs used toAdverbial Concession ClausesOrdering AdjectivesSimiles, Metaphors, Personification and HyperboleInterjection & Prepositional PhrasesPhrasal Verbs and Verb FormsWish SentencesSentence Structure and Pronoun Antecedent-ed and -ing AdjectivesOther quiz:
Present Simple, Present Continuous or Present Perfect › ViewHe never ______ (finish) his work at school.
A. is finishing
B. hasn’t finish
C. finishes
Conjunction › View
You won’t find it _____ you look for it.
A. before
B. unless
C. although
Modal Auxiliary Verbs › ViewI love cake, but my brother _________. He hates it.
A. isn’t
B. doesn’t like
C. doesn’t
D. don’t
Gerunds And Infinitives › View
As we hadn’t seen each other for ages, we spent the first hour together …… up on the latest gossip.
A. catching
B. catch
C. having caught
D. to catch