. The earth (be)…. here for billions of years.
A. was
B. has be
C. have been
D. has been

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Adverb of Frequency and Tensesanother/the others/each other/one anotherGrammar, Literature, and VocabularyFuture PassiveGrammar - QuantiflierFuture Simple TenseComparatives or SuperlativesSo - Too - Either - NeitherSecond ConditionalGrammar and SyntaxOther quiz:
Preposition and Adjective › ViewPut the words in order to make sentences. “are / better / than / fresh ones / frozen / vegetables / I / think”
A. I are better think frozen vegetables than ones fresh.
B. I think are vegetables frozen better ones fresh.
C. I vegetables think are frozen ones fresh better.
D. I think fresh vegetables are better than frozen ones.
E. Ones frozen better think than fresh vegetables.
Superlative Adjectives › View
Summer is the ….. Season
A. Hottest
B. Hotest
C. Hot
Vocabulary › ViewA person who is _____ will find fault or have an opinion that something is wrong.
A. critical
B. appreciated
C. civilized
D. considerate
Grammar › View
Tom said everything_______ready when the match_______
A. will be/ starts
B. would be/ started
C. is / started
D. will be/ started
