[ Grammar ]
At weekends, we often __________ the house together, but today my sister __________ in her room.
A. clean / is studying
B. cleans / studies
C. are cleaning / study
D. cleaned / is study

Random Topics:
Adjectives, ING - EDWho am I?Wishes and TensesSentence TypesModals, Infinitives and GerundsPresent Simple & Present Continuous TensesAdjective ClauseComparative and SuperlativesModals for ObligationDegrees of AdjectivesOther quiz:
Grammar and vocabulary › Viewordinary, not extreme
________ ideas/beliefs/music, etc
A. mainstream
B. middle-of-the-road
C. conventional
D. run-of-the-mill
Articles › View
Jim is ______youngest boy of the family and this year he will go to______school.
A. the / the
B. the/a
C. the/x
D. a / x
Gerund vs. Infinitive › ViewCan gerunds be subjects?
A. Yes
B. No
Grammar › View
May I … your pen?
A. borrowing
B. to borrow
C. borrow
