单项选择题

Scientists and economists believe that human being can never use away all the mineral resources on Earth.()

A. believe
B. can never
C. use away
D. mineral

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单项选择题
When I got to the cinema, the film had already started; I ought to get there earlier.()

A. got to
B. had already started
C. ought to get
D. earlier
单项选择题
Paul suggested that they meet in the front of the school gate at one o'clock Friday afternoon.()

A. they meet
B. in the front
C. at
D. Friday afternoon
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