[ First Conditional Sentence ]
If we keep polluting our planet, ___________________________________.
A. many animal species will become extinct
B. many animal species become extinct
C. many animal species became extinct
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Preference & Future TenseGrammar and EssayGrammar - Place and MovementGrammar - Present Perfect TenseGrammar ElementaryVocabulary and TensesPresent or Past TensesPast Perfect or Past Perfect ContinuousGrammar: wishes and regretsModal Verbs in ConditionalsOther quiz:
Adjective Suffixes › ViewI didn’t enjoy running the marathon. It was more —– than I expected.
A. challenged
B. challenging
C. challengeful
Modals › View
I looked everywhere but I can’t find Mrs. Smith.
A. She must at home.
B. She must be at home.
Grammar › View……………………………. how to sky is difficult but thrilling
A. learned
B. learns
C. learning
D. learn
Present and Past Tense › View
Toni…… english book in the class
A. reads
B. road
C. reading
D. read