[ Grammar ]
What’s the matter, Katie? What ___________? Why are you crying?
A. has happened
B. happens
C. did happen
D. was happening

Random Topics:
Progessive TensesLexico and GrammarQuestion WordsVocabulary and ModalsDirect and Indirect QuestionVerbs + Gerund or InfinitiveNoun Phrases and Verb PhrasesPrepositional PhrasesTenses and Figurative LanguageConjunctions and Verb TensesOther quiz:
Perfect Progressive Tenses › ViewI ______ (practice) the piano for two hours when my friend arrived.
A. had been practicing
B. have been practicing
C. will have been practicing
Adverbs of Frequency › View
I don’t … study on weekends.
A. always
B. never
Vocabulary › ViewIt is important to _____ up with the latest trends in technology.
A. keep
B. take
C. fall
D. stay
Grammar › View
Juan Camilo _______________ a blog soon.
A. going to write
B. is going to write
C. writing
D. is writing