题目内容

The United States ____ a big country.

A. is
B. am
C. are
D. were

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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

The rest of the water in that well ____ .

A. are polluted
B. pollutes
C. is polluted
D. pollute

Neither Tom nor his parents ____ at home.

A. are
B. is
C. being
D. be