When first________to the market, the toys didn't attract much attention.
It was to you and not to anyone else I lent the money.
The people, _______ had been damaged by the flood, were given help by the Red Cross.
This is a simple idea, but that is hard to put into practice.
– Who is the man standing there?– If you know, his name is Mike.
One solution to this problem now is sustainable development.