Topics: Time Conjunctions
________ a forest fire begins, it can take a while to stop.
A. Since
B. Until
C. Once
D. Then
Select your answer:

Random Topics:
Reporting VerbsModals of Obligation & ProhibitionGrammar & TensesApostrophes and Quotation MarksFuture Time and TensesPassive Voice Present SimpleAdverbial ClausesGerund, Infinitive, Bare VerbGrammar - Present PerfectGerund - to InfinitiveOther quiz:
Simple Present › ViewThat boy ______ (study) at Tan Minh primary school.
A. study
B. studies
C. studie
D. studys
Grammar › View
The classroom _________________ quiet.
A. is not
B. am not
C. are not
