Polar bears won't find enough to eat_____ we do more ...

[ Conditional Sentences ]

Polar bears won’t find enough to eat_____ we do more to protect their environment

A. if

B. unless

Select your answer:

Other quiz:

Adverb of Frequency and Past Continuous Tense › View

I __________ (usually, double-check) my front door before leaving for work

A. usually double-check

B. usually double-checks

Idioms › View

When the kids asked him about his girlfriend, he’d go as red as a ……………….

A.     tomato

B.     chili

C.     strawberry

D.     beetroot