A. The factory had to close down on

A. The factory had to close down on account for the economic depression.
B. The factory was closed down on account of the economic depression.
C. The factory had to close down on account for economic depression.
D. The factory had to close down on account of the economic depression.
77. 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.
78. 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.
79. British/American/culture/time/see/valuable commodity.
A. British and American culture, time is seen as a valuable commodity.
B. In British and American culture, time sees as a valuable commodity.
C. In British and American culture, time is seen as a valuable commodity.
D. British and American cultures see time as a valuable commodity.
80. 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.