[ Grammar ]
No one ……… the door.
A. Knock
B. Are knocking
C. Knocks
D. Were knocking

Random Topics:
In/On/At + TimeSimple Past Tense (was/were)Conditional TypesGrammar and Sentence CorrectionPassive Voice in Past Simple TensePast and Future TensesActive and Passive Gerunds and InfinitivesPast ContinuousPast simple - Irregular VerbsTypes of PhrasesOther quiz:
Grammar › Viewwhich sentence is incorrect ?
A. I should of called my grandma
B. I should have called my grandma
Grammar › View
lay + ing =
A. laing
B. laying