[ Grammar ]
A: When I’m home alone, I leave all the lights on.
B: Oh, no! You ……… waste so much energy!
A. needn’t
B. should
C. shouldn’t
D. mustn’t
Random Topics:
Present Perfect Simple and ContinuousPrepotitionsQuantifiers & Modal VerbsModal Verbs and Contrastive ConjunctionsHave GotModal Verbs of Certainty and PossibilityGrammar ModalsAdverbs and Time ExpressionsDefinite and Indefinite ArticlesTime ClauseOther quiz:
Prepositions and Prepositional Phrases › ViewSelect the sentence that uses a preposition to show the relationship between two things.
A. The book is on the table.
B. She will arrive at noon.
C. He ran to the store.
D. They laughed at the joke.
Grammar › View
The dog barks at the stranger. If you want to change the underlined verb to the past tense, it would be
A. The dog barked at the stranger.
B. The dog will bark at the stranger.
C. The dog bark at the stranger.