[ Modal Verbs ]
You _____ leave important documents unattended!
A. shouldn’t
B. need
C. needn’t
D. may not

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Verb to beConditionals and Modal VerbsWishes & Reported SpeechGrammar for TOEFLPronounciation and GrammarTenses and QuestionsGerunds + To InfinitiveGrammar - Be going toModals in the Past - Speculation and DeductionIrregular AdjectivesOther quiz:
Grammar › ViewShe spent hours __________ herself in her studies.
A. immersing
B. submerging
C. drowning
D. floating
Grammar › View
She ___ her homework every day after school.
A. do
B. does
C. doing
D. did
Grammar › ViewOur department ……. the policy meeting last Monday, but we had a scheduling conflict.
A. can attend
B. must have attended
C. would have attended
D. should attend
Vocabulary › View
What term describes being alert and caring about customers and their needs?
A. Composure
B. Troubleshooting
C. Attentiveness
D. Feedback