按每小题后的要求转换下面的句子；每空一词。

1. The 3D film Titanic is fantastic. (对划线部分提问)

                      the 3D film Titanic?

2. Because of Sandy, I got the well-paid job. (改为同义句)

                      Sandy, I got the well-paid job.

3. Tony said,"I am singing when the telephone rings."(将直接引语改为间接引语)

    Tony said that                   singing when the telephone rang.

4. We decided that we should stay for a cup of tea. (改为同义句)

    We decided                   for a cup of tea.

5. She dressed like a man. She could join the army. (合并为含状语从句的句子)

    She dressed like a man                   she could join the army.

在串联电路中，电路总电压等于各电阻的（）。