[ Tenses ]
They ………. the lesson well every day.
A. understands
B. understanding
C. understand
D. understood

Random Topics:
Present Simple QuestionsTenses and Verb FormsFuture - will / going to / present continuousZero & First ContidionalConjunctions and CommasIf Conditional Zero and OneGrammar and PrepositionNeither/Either/All/NoneTenses - Pasive VoicePrepositions of Time and PlaceOther quiz:
Preposition and Word Form › ViewScientists are looking for ways to cut ____ the cost of renewable energy sources.
A. back
B. up
C. off
D. down
Vocabulary › View
Stories with a moral and often have animals as characters.
A. fables
B. fairy tales
C. comic adventures
D. novels
