Rearrange the following parts to form a meaningful sentence:
$P$. which is called spectrum.
$Q$. forms a rainbow of colors
$R$. If you place a glass prism
$S$. against a beam of sunlight

Arrange the following parts to form a meaningful sentence:
$A$: that he had been let down
$B$: stood by all these years
$C$: did he realise
$D$: by a colleague whom he had
The proper sequence of the given parts should be:

He was so kind and generous that $A$: he not only $B$: made others do so $C$: but also $D$: helped them himself. The proper sequence of the given parts should be:

Arrange the parts $P, Q, R, S$ to form a meaningful sentence: Dance classes $P$. in the village $Q$. have ensured that children can learn dance $R$. without traveling all the way $S$. to expensive dance academies located in the city.

She is $P$. she returns $Q$. ghosts so $R$. afraid of $S$. home before sunset

The government should $P$. to improve $Q$. introduce policies $R$. the quality of education $S$. in government schools