Public speaking . . . . . . . . a skill.

Either Sana or her friends . . . . . . . . present there?

The electricity is . . . . . . than coal.

I am not going to . . . . . . . . this book at any cost.

He was too much busy as he . . . . . his home work.

Human nature . . . . . . . from person to person.

. . . . . I use your cell phone as I have forgotten mine?

I can't walk anymore, I'm . . . . . . . . tired.

The package . . . . . . . . to be carried carefully.