Itwasclearthathewasthepeoplehe-优题课

It was clear that he was ______ the people he owed money to．

A．at the expense of	B．at the risk of
C．at the mercy of	D．in the way of

科目英语题型单选题难度中等

This chemical works _____.

The rice ___ cut three weeks ago.

There ___ no water in the well.

Would you mind showing me the way to the ___ store.

We forgot both of the ____.