题目内容：

完成句子(从下面所给词或短语中选出一个恰当的词，并用其恰当的形式填入句中，使句子的意思正确、通顺，每词限用一次)(满分5分)

1.Can you      these fat men climbing the mountain?

2.They     their journey because of the heavy rain.

3.This is the cause for which we have been    .

4.He        saw that he was mistaken.

5.----Have you nearly finished?

          ----        , I have only just begun.