The manager ______________(怀疑) the employee named Jack of taking his cellphone.

I’m rather ___________(怀疑的) about their so-called sympathy for the poor.

When everyone  _________(在怀疑是什么) that makes them divorce, its seems to us that there are two main causes. (doubt)

我们从不怀疑我们现在学习得越多，将来就能为国家工作得越好。(doubt, the more…, the more… )