1. In 1975, according to the national center for health statistics, the average life expectancy for people born during that year …………….. 72.4 years.

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

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1. His body-guard will keep him safe ……………… the crowded.

A. from
B. on
C. to
D. of

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1. There are twenty species of wild roses in North America, all of which have prickly stems, pinnate leaves, and large flowers, which usually smell ………….

A. sweetly
B. sweet
C. sweetness
D. sweetish

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1. The number of the days in a week …………….. seven.

A. needs
B. are
C. need
D. is

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1. To see the statue of liberty and ……………. pictures from the top of the empire state building are two reasons for visiting New York city.

A. taking
B. take
C. taken
D. to take

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1. Mount Rushmore can be ………………….. from more than 100 kilometers away.

A. see
B. saw
C. been seen
D. seen

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1. The severe drought …………….. occurred last summer ruined the corn crop.

A. that is
B. which it
C. it
D. that

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