1£®Books on Scottish history were mixed up with books on volcanoes.¡¡

2£®The latest evidence confirmed us in his theory.

3£®The suit cost approximately (approximate) three hundred dollars.

4£®Although he has become wealthy (wealth), Mr. Wood remains what he used to be, modest and friendly.

5£®I am pleased to be invited (invite) to give a lecture on astronomy.

6£®When the lost boy saw the smoke rising in the distance£¬he became excited immediately.

7£®They were terrified by/at his sudden appearance.

8£®The accident happened on a cold frosty (frost) morning.

9£®Linda said she would meet Tom and that she wouldn't tell anyone about the appointment.

10£®The speech by the mayor before the final voting is strongly impressed on my memory.