[ Grammar ]
Scientists think there ________ at least five mass extinctions in Earth’s history.
A. will be
B. are
C. have been
D. has been
Select your answer:
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Simple Present and Present Continuous TensesPassive SentenceBe going to / WillPersonal pronouns + possessive adjectives + Introgative pronounsSubject Verb Agreement and TensesSimple TenseSimiles and Body IdiomsThings in EnglishSimple Present TenseVerb and VocabularyOther quiz:
Grammar › ViewRomeo and Juliet is a play ……… William Shakespeare.
A. in
B. by
C. on
D. from
Present Tenses › View
Hurry up! The bus ………………… in an hour.
A. leaves
B. has left
C. has been leaving
D. is leaving