[ Grammar ]
Climate change is a worldwide problem that _____ to global warming.
A. lead
B. leads
C. led
D. leading

Random Topics:
Grammar - TOEICActive vs. Passive VoicePrepositionsContractions and ConjunctionsContrast Linking WordsGrammar & VocabDegrees of ComparisonModal, Causative Verb & Elliptical StructureMust or Mus notGrammar - QuantiflierOther quiz:
Articles › ViewThere is ______ cat sitting on the roof.
A. a
B. an
C. the
D. X
Simple Past Tense › View
The students ………………… to museum when they were studying history
A. were going
B. went
C. had gone
D. go
Vocabulary and Grammar › ViewSandy is the prettiest girl in the class.
A. TRUE
B. FALSE
Tenses › View
There is a trend that recently more students _________ in internships to obtain better jobs.
A. were participated
B. will be participated
C. participates
D. have been participating
