[ Verb Tenses ]
The existence of many stars in the sky______us to suspect that there may be life on another planet.
A. lead
B. leading
C. have led
D. leads
Select your answer:

Random Topics:
Verb Tenses and Past ParticiplesVerbs & Phrasal VerbsRelative Clauses PronounsSentences Function and StructureGrammar on ConditionalsHelping and Linking VerbsVocabulary & GrammarAdjectives (-ed / -ing)Conditional Type 1Comparative Adjectives and AdverbsOther quiz:
Modal Verbs › View_____ we take the shorter route to save time?
A. Must
B. Should
Grammar › View
My Dad has four ….
A. book
B. bookes
C. books
