Misc: what was the song by engelbert humperdinck ' ______ the lovin''?

Questions

In Coronation Street, who has been revealed as the father of Ashley Peacock?

What was the nationality of the composer Cesar Franck?

In Mathematics what name is given to a pair of angles whose sum is 90 degrees?

What is the common name of the plant Impatiens?

What colour is the star on the flag of Vietnam?