I tried to ______ Tom last night, but no one answered the phone.

Whenever I made mistakes, the teacher pointed them out with ______.

None of us was good at swimming, so the crossing of this dangerous river was really a_________.

(2013·福建名校二检)If ________ of you is against the plan, we will carry it out immediately.

We are told to read the passage and find the sentences that ________ the argument.