单项选择题

Texas and Louisiana______the nation in the production of sulfur and are also important salt-mining states.

A．lead
B．take
C．contribute
D．offer
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单项选择题
Some new______she has bought for her new flat should be seen as well-designed.
A．furniture
B．property
C．possession
D．belongings
单项选择题
Thomas asked that he ______ allowed to take the course this semester.
A．could be
B．be
C．was
D．would be
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