— Did you know any Chinese, Joyce, before you arrived in Beijing? — In fact, never _______ it.
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.