[ Grammar Modals ]
Climate change could _____ the survival of blue whales.
A. being threat
B. threaten
C. have been threatened
D. threat
Select your answer:
Random Topics:
Modals of DeductionPresent Perfect & Past Simple TenseAdverbial ClausesAsking & Giving AttentionPast PerfectPreposition of TimePresent Simple Positive and NegativeAdjectives or AdverbsVerb to haveOther quiz:
Mixed Tenses › ViewTomorrow the weather…..great
A. is
B. was
C. has been
D. will be
General Quiz › View
If Lisa doesn’t leave all her lights on,
she ………….. a lot of energy.
A. will save
B. won’t save