问题
选择题
What great trouble we had ____ where his house was.
A．in finding
B．to find
C．find
D．found
答案
答案：A
这题考察的是词组have trouble in doing的变形，句子是感叹句，改成一般的句式是: we had great trouble ____ where his house was.所以选A.
搜题请搜索小程序“爱下问搜题”