21. 这些是历史遗留(leave over)下来的问题.
These are problems left over in history.
There are 3 problems remaining to be solved. There are 3 problems to be solved
Hearing the news, they jumped with joy(excitement).
Not knowing his address, we have no way to get in touch with him.
They sent a letter to me , hoping to get my support.
He stood there waiting for the bus.
The students walked into the classroom, talking and laughing.
The foreigner stood there, looking very worried and obviously getting lost.
She sat there, thinking.
Just now I met a girl here, looking like a nurse.
Having been working with him for many years, I knows him very well.
Arriving home, he began to prepare.
She came up to me, saying “ Glad to meet you.”
Believing that Juliet had died ,Romeo decided to kill himself.
Knowing that he hadn’t enough money and not wanting to borrow from his father,
he decided to pawn his watch.
36 既不懂当地的语言，在这国家又没有朋友，她觉得要想找到工作是不可能的。Not understanding the local language and having no friend in the country, he found it impossible to find a job.
Looking out of the window, I saw a few birds singing in the tree.
Not feeling comfortable, I went to see a doctor.
39. 这小孩跌了一脚，头在门上碰破了。(strike one’s head against).
The child fell over, striking his head against the wall.
Adding up the figures, we’ll find the correct answers.