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:
Grammar: Used to, Would, Be used to, Get used to › ViewI ___ eat a lot of meat before I became a vegetarian.
A. was used to
B. am getting used to
C. used to
Grammar › View
Identify the complement type. She became a famous scientist.
A. Direct Object
B. Predicate Nominative
C. Indirect Object
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.