[ Grammar ]
(The window is broken). Mom: What ___________?
A. have you been doing
B. have you done

Random Topics:
Grammar - Compound SentencesAdverbsPresent Simple & Present Progressive TenseGrammar - NounsMixed TensesPresent and Future TensesIdiom and TensesSimple Present and Past TensesPhrases and TensesModal VerbsOther quiz:
Tenses › ViewDấu hiệu nhận biết thì Hiện tại hoàn thành
A. now
B. last year
C. up to now
D. soon
Tenses › View
I have met many people since I __________ here in June.
A. come
B. has come
C. am coming
D. came
Kinds of Nouns › Viewflower
A. Common Noun
B. Proper Noun
C. Collective Noun
D. Abstract Noun
Adverbial Clause / If / Comparatives › View
They left the house ________ saying good-bye to their mother.
A. before
B. after
C. during
D. in