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.