[ Present Simple & Present Continuous Tenses ]
Listen! Someone _________ at the door.
A. knock
B. knocks
C. is knocking
D. are knocking

Random Topics:
Coherent Sentence with Correct Grammar StructureConditional Sentence Type 1Pre-intermediateGrammar ElementaryIn/On/At + TimeRelative Pronouns and AdverbsVerbs + Gerund or InfinitiveWill or Going toModals for RecommendationsArticles - rulesOther quiz:
Grammar › ViewLook at the ________ clouds. It is going to rain.
A. dark
B. busy
C. fresh
D. muddy
Conjunctions and Commas › View
__________ traveling by plane is fast, its expensive and bad for the environment.
A. So
B. Although
C. If
D. And
Third Conditional › ViewComplete the sentence: “If they ______ (study) harder, they would have passed the exam.”
A. study
B. studied
C. had studied
D. were studying
Grammar › View
The policeman ____________ me not to park there.
A. asked
B. said
C. tell
D. reported
