Twitter.. Update your status, tell everyone what your doing in just 140 characters..
Probably: I get fewer hours of sleep these days? This might help: http://englishplus.com/grammar/00000214.htm
Answer:
1- Train leaves after few hours
2-I live in ........
3- I reached home at 3 pm
4- I will complete work after two hors
5- I will go to play after school
6- I wrote 3 pages
7- Yes I know him. I met him yesterday
8- I had breakfast early in morning
9-Yes, sure
10- No, I didn't play hockey
11- No, he doesn't know yours name
12- I read the book in class today
Explanation:
A guide line of which we may follow or be forced to follow
The difference would be that
The melting pot is clean and clear with no chunks as of the chunky stew there would be chunks of whatever you put in there