根据句意及首字母或汉语提示写出单词的正确形式
It's not ________ (紧急)• We can do it next week or when-ever.
I'm e ________ sorry to have troubled you.
Average house prices ________ (下降)by 13% last year.
Small businesses will need to r ________ costs in order to survive.
I am writing the letter to show our great a ________ for the help you have offered us.
Smoking ________ (影响)our health.
Industrial towns are often very dirty but this one is ________ (异常)clean.
What is the ________ (海拔)of the village?
Is there anything ________ (具体的)you want from the shops?
The old people in the village still o ________ the local traditions.

用所给短语的适当形式填空

He ________ have some money on him, so I borrowed some from him.
The mudslide ________ the road.
All living things ________ the sun for their growth.
How many countries will ________ the 2016 Olympic Games?
Please ________ the cake ________ three parts.
We must ________ the lake ________ being polluted.
The movie's perfectly ________ a boy of his age.
They ________ all the advantages and disadvantages and tried to come to a decision.
The book is a big success ________ its sales.
That sum of money is to cover costs ________ travel and accommodation.

用所给词的适当形式填空
Mrs Scott is ________ (engage) with a customer at the moment.
The audience clapped ________ (respect) as she stood up to speak.
Please accept this gift in ________ (appreciate) of all you've done for us.
I would be ________ (extreme) grateful if you could have a word with her.
________ (unusual) for me, I fell asleep very quickly.
It was the biggest ________ (erupt) of Vesuvius for some years.
There has been a dramatic ________ (reduce) in the birth rate.
Can you come to the phone? It sounds ________ (urge).
He's been a trade union ________ (active) for many years.
I bought my house because of its ________ (near) to the office where I work.

—Someone wants you on the phone. —__________ nobody knows I am here.

Even the best writers sometimes find themselves ________ for words.