[ Grammar ]
Climate change is a worldwide problem that _____ to global warming.
A. lead
B. leads
C. led
D. leading
Select your answer:
Random Topics:
GRAMMAR - Could / Could notHow much or How many?Modal Verbs in ConditionalsPronounsTOEFL GrammarBecause of & Inspite ofCountable and UncountablePast Simple and Past ProgressiveCoordinating & Subordinating ConjunctionsOther quiz:
Speculation with Modal Verbs › ViewFill in the blank with the appropriate modal verb: They _______ be at the park, I saw their car parked there.
A. must
B. can’t have
C. should
Simple Future Tense › View
Winston _____ mainland China next year.
A. visit
B. visited
C. will visit
D. will visiting