学帮网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?
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/31 08:55:17
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?
A.
the pressure to do something
a.to compete
竞争的压力……