单项选择题

A．She knows he’s very busy.
B．He’s already helped her enough.
C．He doesn’t know enough chemistry.
D．She doesn’t need any help.
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单项选择题
A．The game is on ice.B．Skating on thin ice.C．To cut no ice.D．To break the ice.
A．The game is on ice.
B．Skating on thin ice.
C．To cut no ice.
D．To break the ice.
单项选择题
A．design of its baseB．design of its stressed sheathingC．locating the statue without disrupting harbor trafficD．keeping the flame lit
A．design of its base
B．design of its stressed sheathing
C．locating the statue without disrupting harbor traffic
D．keeping the flame lit
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