Write sentences using the present perfect with FOR or SINCE
a ) I / have a headache / two days
b ) She / be on the phone / two hours
c ) They / live in Paris / ages
d ) We / not have any letters / a week
e ) She / do a lot of work / Tuesday
f ) He / not go on holiday / three years
g ) you / read all those books / the beginning of term ?
h ) I / not see my cousins / last August