Topics: Gerund vs Infinitive
In an ancient civilizations people used … danger with smoke
A. signal
B. to signal
Select your answer:
Random Topics:
Gerund and InfinitivesPast and Present TensesArticles and NounsGrammar speak,talk,say,tellAdverb ClausesGrammar ElementaryNoun Phrases and AdverbialsModal SpeculationDirect-Indirect SpeechAdverbial Concession ClausesOther quiz:
Relative Pronouns › View________ is this story about?
A. Who
B. Whom
Modals › View
A: He failed the exam. B: It was an easy one. He ______ well enough.
A. must have studied
B. might have studied
C. can’t have studied
D. may have studied