________ out of work for a few months, mother took up the job of waiting on patients in hospitals．

To be

Being

Having been

Having

________ by the Party, he has made such progress．

Educated

Educating

Being educated

Having educated

The patient, ________ how serious his illness was, still refused an operation．

not realize

not to realize

not realizing

not being realized

Much of the farm is under water; ________ the rice, most of that has been ruined．

owing to

thanks to

as for

as with

The shirt I bought is of the wrong size．I wonder if the shop will agree to ________ it．

exchange

express

charge

explode

Most members of the committee were in favor of the suggestion, only a ________ were against it．

majority

minority

quantity

amount

There are only five minutes left, so you should tell me the truth ________．

in brief

in public

in action

in need

When I opened the door, I found my father sitting in his chair, completely ________ in the humorous stories he was reading．

absorbed

losing

attracted

busy

New technology ________ to make sure that the cars, taxis and trains we use ________ the air．

is used; not to pollute

has used; is not polluted

is being used; do not pollute

has been used; to pollute

Thanks to the success of the business, we can ________ a holiday this year．

make

afford

adopt

appreciate