谁能帮忙把下列句子改为宾语从句?

问题描述:

谁能帮忙把下列句子改为宾语从句?
1.Where was he born?Do you know?
2.Their group is much better.The teacher said.
3.What time did he get up today?Please tell us.
4.Do you often go swimming?He asked his students.

1 Do you know where he was born2 The teacher said (that)their group is much better.3 Please tell us (that) what time he got up today?4 He asked his students if they often go swimming括号里时可要可...