【单选题】
One day we all may find it useful to have a(n) _____for sending documents, writing any pictures across the telephone lines.
①
receiver
②
echo
③
extension
④
facility
【单选题】
_____ people there are in a city, _____ I want to live there.
①
More; more
②
The more; the less
③
The more; the most
④
The more; the least
【单选题】
Some famous singers live on the ____ from their record sales.
①
salary
②
price
③
bill
④
income
【单选题】
Some famous singers live on the _______from their record sales.
①
：salary
②
：price
③
：bill
④
：income
【单选题】
Air pollution __________ , this city is still a good place to live in.
①
being greatly reduced
②
greatly being reduced
③
to greatly reduce
④
greatly to reduce
【单选题】
—We all had a lot of fun at the barbecue ?yesterday. Pity you weren’t there.
—I really should have gone with ?you but I _______ on some remaining problems.
①
worked
②
was working?
③
would work
④
would have worked