Improve the highlighted part of the sentence given below.
Practically $every\, part$ of the banana tree is used by man.

Improve the highlighted part of the sentence given below:
The dissidents $hold$ a great problem in every political party.

Improve the highlighted part of the sentence given below.
Why the dinosaurs died out $is\, not\, known.$

Improve the highlighted part of the sentence given below.
The company goes to great lengths to ensure that employees $can\, be\, comfortable$ in their work environment.

Improve the highlighted part of the sentence given below.
Young men and women should get $habituated$ to reading and writing about current affairs.

Improve the highlighted part of the sentence given below.
Every time $I$ $go$ $in$ $a$ $lift$ to my sixth floor apartment,$I$ remember the calm and serenity of my ancestral home in the village.