1 . 不知道要做什么，他向他的好朋友求助。
________ ________ what to do, he asked his good friend for help.

2 . 得知家人都安全是一个很大的欣慰。
It was ________ ________ ________ ________ ________ that my family were all safe.

3 . 一句多译
我知道你对中国音乐很着迷，如果你能来，我相信你一定会玩得很开心。
(1)(高级词汇＋宾语从句＋状语从句)I know ________, so I'm sure ________．
(2)高级句式(利用非谓语动词作状语升级) ________.

4 . 得知你要访问一个中国家庭，我十分高兴。对你来说，了解一些中国的餐桌礼仪非常必要。
I’m very delighted to know that you’re going to visit a Chinese family._______ something about Chinese table manners.

5 . 我不知道他为什么一直看着我，好像认识我似的。
I don't know why he is looking at me ______ ______ ______ ______ me.

6 . I don't know how to solve this problem. So I am writing to ask for your advice.（用现在分词合并句子）

7 . Someone has used my mobile phone，but I don't know who has used it. （同义句转换）
Someone has used my mobile phone，________ ________ ________ ________ ________.

8 . 他在来这儿之前已经事先了解了当地的风俗和人们的生活习惯。
He ________ and living habits of the local people in advance before he came here.

9 . ________, Lu Xun was famous as a great thinker.  
众所周知, 鲁迅作为一名伟大的思想家而闻名。

10 . He will never tell you the truth ________.  
即使他知道真相, 他也绝对不会告诉你(们)。