Things have changed quickly over the past decade and life in the country is much better than ________ used to he．

that

it

what

one

Unfortunately, the package I was expecting was ________ to the wrong address

written

given

packed

delivered

With the development of science, more new technology ________ to the field of IT．

has introduced

is being introduced

is introduced

was introduced

Even the white collars in big cities know that, high as their income is, they still can't afford a new house ________．

physically

personally

economically

accidentally

Although Rio knew little about marketing, he succeeded ________ other more well-informed managers failed．

as

unless

what

where

It is believed that when ________ she-wolf loses her babies, she seeks ________ human child to take its place．

a; a

the; a

a; 不填

the; the

He listened to me ________ in detail what Nightingale had said the day before．

repeated

repeating

being repeated

was repeated

Most of the participants ________ to our city for the conference next month come from developing countries．

are invited

invited

inviting

to invite

It is the first time I ________ visitors since I moved to London．

had had

have had

have

had

If you ________ any problems when you arrive at the airport, give me a ring．

come up with

set about

run into

put aside