[ Tenses ]
While I was doing my homework, my sister is playing outside.
A. past simple
B. present simple
C. future simple
D. present continuous

Random Topics:
Prepositions and Phrasal VerbsGrammar ElementaryTenses and ArticleBe going to / WillConjunctive Adverbsso vs suchArgumentative VocabularyWish SentenceSocial Media VocabularyPrepositional PhrasesOther quiz:
Grammar › ViewA: A cheetah is the fastest animal in the world.
B: Oh, ___? I didn’t know that.
A. was it
B. can it
C. does it
D. is it
Tenses › View
Our parents ______ a party to celebrate their wedding anniversary next Sunday.
A. have
B. will have
C. are going to have
D. will be having