Present simple with 3rd person singular: Fill in the blank with the correct form of the verb: The dog ____________ (bark) when someone knocks on the door.
A. barked
B. barking
C. barks
D. bark

Random Topics:
Comparative AdjectivesPerfect and Past TensesVerbal and Appositive PhrasesVerb AgreementExpressing Obligation and ModalsTenses: Present simple, Past Simple, Future SimplePast form of ModalsAdverb ClauseEmployment VocabularyAdverbsOther quiz:
Vocabulary › ViewWhat is the definition of the word: theme?
A. the message the author is trying to get across
B. a lens through which the readers see and experience the events and feelings about a character through a certain point of view
C. needed; required to be done or achieved
D. to arrange in a systematic way
Modals › View
The students ……. wear uniforms to school.
A. must
B. mustn’t
C. should
D. shouldn’t
Modal Verbs › ViewFind a similar sentence:
My parents made it obligatory for me to stay home on weekdays.
A. I can’t stay home on weekdays.
B. I should stay home on weekdays.
C. I have to stay home on weekdays.
D. I’m able to stay home on weekdays.
Adjective › View
I had a ___ time doing my homework last night.
a. Hard
b. Hardly
