sport/serious/expensive business /hour/ training.
A.Sport is a serious and expensive business involving hours of daily training.
B.Sport is serious, expensive business involving hours of daily training.
C.Sport is a serious and expensive business of hours of daily training.
D.Sport is a serious and expensive business involving hour of daily training.

Choose the word which has the underlined part pronounced differently from the rest.
A.economy
B.industry
C.qualify
D.priority

classical music/speed/plant /grow.
A.Many types of classical music speed plants to grow.
B.Many classical music speed plant growth.
C.Many types of classical music speed plant growth.
D.Many types of classical music speed plants’ growth.

the author/ released/eared/last year/the book/a lot of money.
A.Released last year, the book earned the author a lot of money.
B.Released last year, the author earned the book a lot of money.
C.The author released the book last year a lot of money earned.
D.The released book last year earned the author a lot of money.

Calcium, the most abundantly mineral in the body, works with phosphorus in maintaining bones and teeth.
A.abundantly
B.in the body
C.works with
D.in maintaining

Grover Cleveland was the only American president served two nonconsecutive terms.
A.the only
B.served
C.nonconsecutive
D.terms

By measuring the color of a star, astronomers can tell how hot is it.
A.measuring
B.the
C.how
D.is it

A.uncommon
B.common
C.separate
D.individual

A.them
B.it
C.me
D.you

A.time
B.schedule
C.clock
D.plan