Question

complete com since,for,so far/up to now:

a) I've worked here......................................... 1997.
b) They have swum............................................. about 5 years.
c) Doctor Harry has treated me ........................................... I was a child.
d) The spaceship hasn'T reached Mars................................................................
e) Frederic has smoked................................10 years

Answer 1

a) since
b) for
c) since
d) so far
e) for