—Excuse me, could you tell me where the post office is?
—__________, but I’m a stranger here．
| A．I’m not sure | B．I’m sorry |
| C．That’s righ | D．I’m afraid not |
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 |
Do you still remember the key points that _______ in his report? I don’t remember them all.
| A．referred to | B．were referred | C．he was referred to | D．were referred to |