单项选择题

A．The animals overfertilize the soil.
B．Dead plant roots can’t hold the soil together.
C．The wrong types of plants are left standing.
D．There is a buildup of plant and animal matter.
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单项选择题
A．He won’t vote for the woman.B．He may also run for, class president.C．The woman has already asked him for his vote.D．The woman should ask his roommate to vote for her.
A．He won’t vote for the woman.
B．He may also run for, class president.
C．The woman has already asked him for his vote.
D．The woman should ask his roommate to vote for her.
单项选择题
A．Many artists lost faith in the value of art.B．Many artists moved away from large cities.C．Many artists were forced to take jobs in other fields.D．Many artists in the United States moved to other countries.
A．Many artists lost faith in the value of art.
B．Many artists moved away from large cities.
C．Many artists were forced to take jobs in other fields.
D．Many artists in the United States moved to other countries.
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