The cigarette end thrown away by a careless farmer ______ the big fire and caused a great loss to them．
| A．brought about | B．brought in | C．brought down | D．brought out |
. You should ________ these bad habits.
| A．get yourself rid of | B．rid yourself of |
| C．get rid of yourself with | D．rid of yourself with |
Whatever happens, they are determined to ______ the struggle to the end.
| A．carry on | B． go on | C．continue on | D．insist on |
The book, which _______ children, became popular with adults.
| A．was planned for | B．was meant by |
| C．was intended for | D．was designed by |
With the improvement of people’s living conditions, most mothers _______ in hospitals.
| A．have delivered their babies | B．have born their babies |
| C．have their babies born | D．have their babies delivered |
-- How did you manage to get such a nice old painting?
---Quite _______.
| A．by accidents | B．by a chance | C．by accident | D．by incident |