补全句子
1. ____________________________ eight，they began to work.
时钟敲过八点，他们开始工作。
2. The father ____________________________________ is to blame for it.
为此应受责备的是父亲而不是孩子们。
3. He found it hard to ____________________________________．
他觉得很难定下心来工作。
4. I said we'd be there by seven；do you think we'll ________________________？
我说我们将在7点钟之前赶到那儿，你认为我们能做到吗？
5. Don't let me ____________________________________ you doing it again!
别让我再看到你做这种事！