After he witnessed the accident, he was so scared and ______ know what to do next.
A. did not
B. does not
C. do not

Random Topics:
Present Simple and ContinuousComparisionsPossessive Adjective and PronounMain Idea and Sentence StructureGrammar PhrasesAdjectives & PrepositionPhrasal Verbs and Verb FormsOpinion / AgreementModals and AdviceDirect-Indirect SpeechOther quiz:
Types of Preposition › Viewa type of preposition that shows the relationship of place between the Nouns and other parts of a sentence
A. prepositions of time
B. prepositions of place
C. prepositions of movement
D. phrasal prepositions
Conjunctions › View
Choose the word or phrase that best completes the sentence.
_____ rainfall in the desert is low, it is one of the most important climatic factors in the formation of desert erosion features.
A. Although
B. Why
C. Despite
D. due to
Prepositional Phrases › ViewWhat is the prepositional phrase in the sentence?
By the evening, we were too tired to see the movie.
A. see the movie
B. to see the
C. we were too
D. by the evening
Grammar and Vocabulary › View
…. …. …. food in my school bag but there is a water bottle.
A. There isn’t any
B. There is any
C. There are some
D. There aren’t some
