作业帮the pressure___causes Americans to be energetic,but it also put them under a constant emotional straina.to competeb.competingc.to be competedd.having competed选哪个?为什么?
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the pressure___causes Americans to be energetic,but it also put them under a constant emotional straina.to competeb.competingc.to be competedd.having competed选哪个?为什么?
the pressure___causes Americans to be energetic,but it also put them under a constant emotional strain
a.to compete
b.competing
c.to be competed
d.having competed
选哪个?为什么?
the pressure___causes Americans to be energetic,but it also put them under a constant emotional straina.to competeb.competingc.to be competedd.having competed选哪个?为什么?
A.
the pressure to do something
a.to compete
竞争的压力……