Ⅲ．句型转换

【1】The man is very old，so he can't go on working．（改为同义句）

______ the man is very old，he can't go on working．

【2】We'll have to run faster to catch up with others．（改为同义句）

We'll have to run faster ______ ______ ______ catch up with others．

【3】Because he was careless，he failed in the exam．（改为同义句）

______ ______ his carelessness，he failed in the exam．

【4】Betty didn't come to school because she was ill．（就画线部分提问）

______ ______ Betty come to school?

【5】You should look after yourself after leaving your parents．（改为同义句）

You should ______ ______ ______ yourself after leaving your parents．