问题
选择题
With a lot of problems , the VS troops are having a hard time in Iraq.
A．settled
B．being settled
C．settling
D．to settle
答案
答案：D
考察非谓语动词.句意:由于有好多问题有待解决,联军在伊拉克还会有一段艰难的时刻.不定式做定语表示具体的将要进行的动作,和被修饰词可以是动宾关系,结合语境可知选D.