[ Conditional Sentences ]
Polar bears won’t find enough to eat_____ we do more to protect their environment
A. if
B. unless
Select your answer:
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Tenses › ViewThis tense is to relate the past with the present.
A. Present Continuous
B. Simple Past
C. Past Continuous
D. Present Perfect
Tenses › View
We are learning the rhyme now
A. Present Simple
B. Present Perfect
C. Present Perfect Continuous
D. Present continuous