[ 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:
Adverbs › ViewWhat is the adverb in the following sentence?
The captain warmly welcomed us.
A. captain
B. warmly
C. welcomed
D. us
Adjective › View
He entered the room ___ since the baby was sleeping.
a. quietly
b. quiet
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
