[ Present Perfect or Past Simple Tense ]
Technology __________ some failures over the years.
A. has
B. has had
C. had
D. having
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Grammar and PrepositionsSentence Types and ConjunctionsPresent Perfect Tense and Simple Past TenseAdverbs, Modals, Preposition of timeSimilesPast simple - Irregular VerbsPast Perfect and Past Perfect Continuous1st and 2nd ConditionalsAdverbs by TypeGerunds as Objects of PrepositionsOther quiz:
Grammar › ViewWhile they …. in art class, the paint …. out (finished).
A. were painting, ranned
B. were painting, run
C. were painting, ran
D. was painting, ran
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My father ……………… to be a teacher, but now he has retired.
A. used
B. got used
C. is used
Grammar › ViewOne difference between lager and ale ___ the kinds of yeast used in the fermentation process.
a. lies in
b. lies at
c. lies on
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You ___ take the car without permission.
A. don’t have to
B. mustn’t