用I doubt whether/if/I don't doubt that T
题型：翻译题
问题：
用I doubt whether/if/I don't doubt that There is no doubt that/about/without doubt 完成句子。
1. 毫无疑问,我们的实验会成功的.
There is no doubt _____ our experiment will succeed.
2. 她是否会准时来有点让人怀疑.
There is some doubt _____ she will come on time.