[ Simple Past Tense ]
Dinosaurs_____ one of the most well known extinct animals, it’s believed their extinction ____ caused by the impact of a meteor and/or multiple volcanic eruptions
A. are – was
B. were – is
C. were -was
D. are – is

Random Topics:
Parallel Structure or Combining SentencesPast Perfect TenseMust Vs Have toPresent Progressive TenseVerb Tenses and UsageOrdering AdjectivesVerb 3 formsReported SpeechGrammar - ConnectorsPhrasal Verbs with up and downOther quiz:
Grammar › ViewHe likes his job because the work he does is challenging. _____________________,
his boss is nice and his colleagues are also his friends.
A. As a result,
B. Moreover,
C. In contrast,
D. Undoubtedly
First Conditional › View
Simon will not go to London next week, ……………. he finds a cheap flight
A. If
B. Unless
Present Simple Tense › ViewThe flight (start)_____________ at 7 a.m. every Monday.
A. are start
B. is starts
C. start
D. starts
Modal Verb Gerund or To Infinitive › View
I enjoy ……………. to the cinema alone.
A. to go
B. going
