[ Modal Verbs ]
You __________ worry about the presentation; you’ve prepared well.
A. should
B. shouldn’t
C. ought to
D. must

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First ConditionalsNouns - Word Form-IONHave GotPast Simple, Past Continuous, Past PerfectOpinion / AgreementPRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTPrepositions of Time, Place, and MovementPerfect TenseSimple Past Tense and Past Perfect TenseDo not- Does notOther quiz:
Sentence Structure › ViewThe cat slept in the sun.
A. Complete
B. Fragment
C. Run-on
Grammar › View
Robert Ballard invented an underwater robot. “An” is an article.
A. TRUE
B. FALSE
