A-A+
The pressure ________causes American to be ene
问题详情
The pressure ________causes American to be energetic, but it also puts them trader a constant emotional strain.
A．to compete
B．competing
C．to be competed
D．having competed
参考答案
正确答案：A
动词不定式作定语时，不定式置于被修饰的名词之后。A项与c项的差别在于语态，compete属不及物动词，不能构成被动形式。
