[ Tenses ]
While the professor _____ the theory, several students took detailed notes to review later.
A. explained
B. was explaining
C. explains

Random Topics:
Action VerbFigure of SpeechVerb Tenses (Progressive, Perfect)Wish, Unless, If sentencePrepositions of Location, Movement and TimeAsking and Giving SuggestionGrammar - FragmentsModals for Necessity and SuggestionsCountable & Noncountable NounsPresent/Future/Past Simple/Present PerfectOther quiz:
Future Tenses › ViewI’m thirsty. I ____ a glass of water.
A. will have
B. am going to have
C. am having
Phrasal Verb › View
As we were unable to pay the bills, the telephone company __________ us _________ .
A. cry…out
B. leave….out
C. cut…off
D. put…off