___itcarefullycanwehopetofindawaytosolvethechallengingp...
- 习题库
- 关注:1.87W次
问题详情:
___ it carefully can we hope to find a way to solve the challenging problem.
A.When we observe B.When to observe
C.That we should only observe D.Only by observing
【回答】
D
知识点:倒装与省略
题型:选择题
标签:
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/zh-my/exercises/047e4q.html