单项选择题

A．Iron.
B．The Earth’s crust.
C．The minerals from the Mars.
D．Some unknown planet.
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单项选择题
A．A baby strollerB．A sleeping bagC．A backpackD．A tent.
A．A baby stroller
B．A sleeping bag
C．A backpack
D．A tent.
单项选择题
A．The man has to pay more for his rent next year.B．The woman and the man have made a betC．The woman wants to borrow money flora the mattD．The man has won ＄150.
A．The man has to pay more for his rent next year.
B．The woman and the man have made a bet
C．The woman wants to borrow money flora the matt
D．The man has won ＄150.
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