[ 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 › ViewOne difference between lager and ale ___ the kinds of yeast used in the fermentation process.
a. lies in
b. lies at
c. lies on
Grammar › View
You ___ take the car without permission.
A. don’t have to
B. mustn’t