strategy，signal，concern，resolve，fault，loose，steam，agony

（1）She was still in her nightdress，with her hair hanging

loosely

loosely

over her shoulders.
（2）The invention of the

steam

steam

engine changed ships，just as it had changed land transport.
（3）The

signal

signal

for a race to start is often the firing of a gun.
（4）

Concern

Concern

for the safety of the two missing teenagers is growing.
（5）The

fault

fault

lay with the organisers，who failed to make the necessary arrangements for dealing with so many people.
（6）A（n）

agony

agony

aunt is a person，usually a woman，who gives advice to people with personal problems，especially in a regular magazine or newspaper article.
（7）The couple

resolved

resolved

their differences and made an effort to get along.As a result，they helped each other and lived happily ever after.
（8）We need to decide soon what marketing

strategies

strategies

we should adopt for these new products.