[ Grammar ]
Which of the following sentences contains a relative pronoun that can be omitted?
A. The car that I bought last year is really fast.
B. The car, which I bought last year, is really fast.
C. The car that I buy last year is really fast.
D. The car, whose engine is powerful, is really fast.

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Grammar › ViewIn modern times people have to keep up _____ new technologies.
A. with
B. of
C. at
D. in
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How long have they ________ there?
A. waited
B. been waited
C. been waiting
Grammar › ViewShe really loves the film ‘Frozen’. She _____ it 10 times so far!
A. saw
B. seen
C. was seeing
D. has seen
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My favorite subject is ………………….
A. Physic
B. Physics
