[ Past simple vs Present perfect ]
We ________ (not decide) what to get Mark for his birthday yet.
A. didn’t decide
B. don’t decide
C. haven’t decided
D. won’t decide

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Modals and Semi-ModalsSubject Verb Agreement Irregular VerbRun-On SentencesSecond ConditionalsPronouns and AdverbsVerb Tenses and Past ParticiplesPhrasal Verb & Prepositional PhraseApostrophe Grammar1st and 2nd ConditionalsSubject, Object, Possessive Pronoun and Possessive AdjectivesOther quiz:
Vocabulary › ViewFarmer who works land owned by another and pays rent either in cash or crops.
A. Proprietary Colony
B. Indentured Servant
C. Constitution
D. Debtor
E. Tenant Farmer
Vocabulary › View
What is the definition of “Argument” in the vocabulary list?
A. A point of view.
B. To show how things are different.
C. A reason given to persuade others.
D. Something that is true.
Vocabulary › ViewTo gather or accumulate discreetly
A. Kiosk
B. Hoard
C. Haggard
D. Sage
Grammar › View
The temperatures in the poles are changing drastically.
A. Simple Present Tense
B. Present Progressive
C. Simple Past
D. Present Perfect
