单项选择题

Social institutions are now being called ______ to provide assistance to the homeless.

A．up
B．in
C．upon
D．off
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A．asB．likeC．as ifD．look as if
A．as
B．like
C．as if
D．look as if
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A．syncretizeB．fuseC．integrateD．lend
A．syncretize
B．fuse
C．integrate
D．lend
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