在下面句子的空格中填入适当的连词：

I was about to go out ________ a visitor came．

在下面句子的空格中填入适当的连词：

It was already eight o’clock ________ we got there．

在下面句子的空格中填入适当的连词：

Have a good look at that man ________ you pass him．

在下面句子的空格中填入适当的连词：

I saw her just ________ she was getting off the train．

在下面句子的空格中填入适当的连词：

________ he was speaking, everybody listened carefully．

在下面句子的空格中填入适当的连词：

________ he comes tomorrow, I shall ask where he has been．

根据所给中文，写出单词的适当形式

He ________(承认)having broken the window yesterday．

根据所给中文，写出单词的适当形式

Helen spoke ________(流利的)English and got the first prize at the speech contest．

根据所给中文，写出单词的适当形式

Let’s stop here and get something to eat．I am ________(饿死)．

根据所给中文，写出单词的适当形式

Before you draw a ________(结论)，you should do a lot of experiments．