Big Ben is a famous _______in London.
Our teachers __________ the same clothes when they are at school.
I’m busy ________ my homework, and my mother is busy _______ dinner.
I feel so tired, because there is________ homework to do and it’s ________hot today.
He has stayed there for _________,but ________he likes to stay at home.
Every year, more than 70.000,000 sharks____for their fins.