近年来,我国外贸依存度持续降低,国内大循环活力日益强劲。
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Our group ____ made up of eight boys and five girls.
A. are
B. is
C. is being
D. am
The United States ____ a big country.
A. is
B. am
C. are
D. were
The growth of part-time and flexible working patterns, ____more women to take advantage of employment opportunities.
A. have allowed
B. allow
C. allowing
D. allows
“Politics ____ much more difficult than physics.” said Einstein.
A. is
B. was
C. are
D. were
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