Most of the environmental problems are man－made.（)

Which two people are most in favour of setting applicants problems？A．The professor.B．Sandr

Which two people are most in favour of setting applicants problems？A．The professor.B．Sandr

The man we met this morning grows many kinds of plants in his garden, most of which are fl

Most environmental problems are caused by people.（)

The environmental problems bothering refugees in their own homeland are （).A、tsunamiB、

The experiment made the man realize that______.A．most people are just eating for funB．over