[ Grammar ]
Someone …………. the door now. We are not in the living room.
A. are knocking
B. knock
C. is knocking
D. knocked

Random Topics:
Modals of PredictionGrammar - may/might/couldContrastive ConjunctionPersonal PronounsAdjective ClausesPrepositions and AdverbsAdverbs by TypeVocabulary and Verb TensesNarrative, Past TensesPhrase and ClauseOther quiz:
Grammar › ViewElectron storage rings ___ in investigations of the structure of materials.
A. They are used
B. That are used
C. Used
D. Are used
Grammar › View
Complete each sentence by adding the adverb in the form indicated: Kayla swam _____ than her sister. (frequently, comparative)
A. most frequently
B. frequently
C. more frequently
D. frequenter
Ed and Ing Endings › ViewMy parents were very _________ in me because I didn’t go to university.
A. disappoint
B. disappointed
C. disappointing
Mixed Tenses › View
……………………..you me?
A. Do you remember?
B. Are you remembering
C. You remember
