[ Present Perfect Tense ]
Researchers __________________________________ the location of the Titanic on the ocean floor.
A. Has found
B. Have found
C. Have find
D. Have finded

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Simple PresentPronouns of QuantityWorld Literature VocabularyPresent Perfect Simple & Present Perfect ContinuousGrammar and SyntaxIN, ON & ATPaired ConjunctionSimple Past Tense & Future TenseSpeculation with Modal VerbsSimple Future TenseOther quiz:
Grammar › ViewI __________some elephants. I ___________ any lions. (see / not see).
A. Saw /didn’t see
B. See / don’t saw
C. Saw /did saw
D. Saw / not see
Tenses › View
I … every day for the last year.
A. exercise
B. am exercising
C. have been exercising
D. will be exercising
Grammar › ViewThose bags _______ expensive.
A. are
B. is
C. am
Grammar › View
Murals are _______
A. too big
B. enuogh big
