No sooner he had returned home then his mother felt happy.

Choose the word which can be substituted.

The custom of having more than one husband at the same time.

Thousands of people have taken part in a ----------democracy demonstration. (Choose the correct prefix from the following)

Many medications have other -------- besides the intended one.

Choose the meaning of the given idiom

"To pick holes"

Find a word suitable for the expression "The style in which a writer makes a display of his knowledge".