注意:此页面搜索的是所有试题
题目内容
(西安科技大学-大学英语1)
The pressure ________ causes Americans to be energetic, but it also puts them
under a constant emotional strain.
A、
to compete
B、
competing
C、
to be competed
D、
having competed
under a constant emotional strain.
A、
to compete
B、
competing
C、
to be competed
D、
having competed
参考答案