单项选择题


A．covered
B．enclosed
C．bounded
D．jointed
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单项选择题
A．get on forB．get uponC．get intoD．get on to
A．get on for
B．get upon
C．get into
D．get on to
单项选择题
The aid will be increased__________.
A．to the target set by the UN
B．to the target set for 2013
C．to about $12 billion annually
D．by about $12 billion annually
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