[ Present Perfect vs Past Simple Tense ]
( – ) My uncle ___ repaired our refrigerator.
A. have
B. has
C. hasn’t
D. haven’t
E. not mentioned

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Present/Past/Past ParticpleAuxiliary ModalDeterminers & QuantifiersMesopotamia VocabularyFuture PassiveVerb to bePossessive NounsInfinitiveGrammar & ReadingTenses and ArticlesOther quiz:
Grammar › ViewHe __ in China since 1998, he is a legend in our department.
A. had work
B. have worked
C. has worked
D. have working
Adjective › View
We were ___ to hear he’s 50. He looks much younger.
a.surprised
b.surprising
. Which word does NOT belong?
A. Mother
B. Brother
C. Uncle
D. Teacher
Grammar › View
Complete this line: The recipe calls for two pounds of _______.
A. potato’s
B. potatos
C. potatoes
