[ Tenses ]
. Light _____ faster than sound.
A. is traveling
B. travel
C. traveling
D. travels

Random Topics:
Adverbial Clauses of Reason / CauseArticle and Order of AdjctiveComparativeModals in the Past - Speculation and DeductionVerb Forms and PrepositionsComparison of Adjectives and AdverbsOffering HelpFuture Perfect TenseMixed ConditionalAdverb PhrasesOther quiz:
Vocabulary › ViewThe bird depends largely on an extremely delicate sense of ________ to find its prey.
A. slender
B. touch
C. humour
D. life
Phrasal Verb › View
My car broke ______ on the motorway and I had to walk to a garage.
A. into
B. down
C. out
D. up
Vocabulary › ViewThe wood will soon be alight if someone _____ it properly.
A. badgers
B. convalesces
C. kindles
D. tethers
Mixed General Quiz › View
You need flexibility to ___ to new situations.
a. adapt
b. adopt
