GROUP 1
The Convention for the Rights of Persons with Disabilities (CRPD)___(come) into force on 3 May 2008.
came
In Singapore, the Convention ___ (come) into effect since August 2013.
has come
According to the US Department of Labour, thousands of people with disabilities____(start) successful small businesses this year.
have started
Thomas Edison (1847–1931), one of the world’s greatest inventors, _____ (have) difficulty with words and speech.
had
So far more than 87 countries officially___ (agree) on the Convention, and more than 145 countries ___ (sign) it.
have agreed
have signed
Kevin never ____ (volunteer) at a school for students with disabilities.
has never volunteered
Maria ____ (record) 20 interesting stories for students with reading difficulties since she ____ (visit) the special school.
has recorded
visited
Since Louis Braille ____ (invent) Braille in 1829, it ___ (be) an effective means of communication for visually impaired people.
has been
I'm a keen golfer and I ____ (organize) three golfing days that ____ (save) £6,000, £8,000 and £5,000 last year.
organized
saved
- When will Mary be able to leave hospital?
- Don't be so impatient. We cannot release her before we ____ (complete) the last test.
have completed
Neither Phillip nor his brothers ____(ever/be) to school because their father teaches them at home.
have ever been
It is now over seventy years since Lindbergh ____ (fly) across the Atlantic.
flew