[ Grammar ]
In the United States, you ___________ tip when you are eating at a restaurant.
A. haven’t
B. should
C. has
D. have

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Modal and Relative PhrasesGrammar: Adjectives & PrepositionsNouns, Articles, DeterminersQuantifiersPresent Simple VS ContinuousPresent/Past/Future Continuous TenseTOEICGrammar (was, were, could, could not)Clauses and ConjunctionPrepositions after Verbs and AdjectiveOther quiz:
Subject-Verb Agreement › ViewThe wounded __________ sent to the hospital at once.
A. Was
B. Is
C. Were
Grammar › View
If I ______ enough money, I would buy a new car
A. have
B. will have
C. would have
D. had
Grammar › ViewThe bishop’s words flashed through the mind of the ex-convict. ______ at once, his anger and gloom somehow vanished.
A. Now
B. Every
C. All
D. Ever
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She _____ I’m crazy to leave my job.
A. is thinking
B. thinks
