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
(Only) (in this way) (we can) (win the match).
A．Only
B．in this way
C．we can
D．win the match
单项选择题
Susan, (together with) her husband and (two sons), (are) to arrive (on) the evening flight.
A．together with
B．two sons
C．are
D．on
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