[ Grammar ]
Human interaction has undergone significant changes ______________ the digital era.
A. due to
B. because
C. caused by
D. owing

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Grammar › ViewHow ….. cows are there in the field?
A. many
B. much
C. long
D. often
Grammar › View
Sam always ______ to music before(在……之前)he went to bed, but he doesn’t now. Instead(取而代之), he ______ computer games.
A. listens; plays
B. listened; plays
C. listened; played
D. listens; played
Conjunctions › ViewI eat healthy food _________________ exercise everyday.
A. and
B. but
C. or
D. because
Gerunds and Infinitives › View
My parents encouraged ___ languages.
A. that I study
B. me to study
C. me studying
