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单项选择题

Enormous sums of money have been spent on space exploration.

A．Much
B．Large
C．Small
D．Fixed

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热门试题

单项选择题This table is strong and durable.

A．long-lasting
B．extensive
C．far-reaching
D．eternal

单项选择题About one million Americans are diagnosed annually with skin cancer.

A．every year
B．severely
C．actively
D．every month