1. Tom is younger than any other boy in his singing group.(保持原句子的意思)

Tom is   in his singing group

2. There is little water in the cup.(改为反意疑问句)

There is little water in the cup,    ?

3. Nanpu Bridge is 8.346 metres long.（对划线部分提问）

   is Nanpu Bridge?

4. I'd suggest the tourists go to Pudong New District,（对划线部分提问）

   you suggest the tourists go?

5. many, you can, birds, see, flying,the sky in（连词成句）