[ Grammar ]
They _ playing tennis.
A. isn’t
B. aren’t

Random Topics:
Nouns, Articles, DeterminersMay, MightGrammar and PunctuationPast Simple & Past ContinuousSecond Type ConditionalFamily Vocabulary and GrammarVerbal CommunicationLinking VerbModals, Infinitives and GerundsFuture PassiveOther quiz:
Vocabulary › ViewChoose the best synonym for the underlined word:
grumble about poor service
A. read
B. complain
C. sing
D. scream
Present Perfect › View
Have you …………….. seen a snake?
A. ever
B. never
C. yet
D. still
Tenses › ViewIdentify the tense in the following sentence:
What is the time by your watch?
A. Simple Future
B. Present Continuous
C. Simple Past
D. Simple Present
Past Tenses › View
We … finished doing the homework
A. had
B. was
C. were
