СРОЧНООО ПОМОГИТЕЕ МОЛЮЮ

3

a) has worked, since

b) have listened, for

c) hasn't studied, since

d) haven't written, since

4

a) were

b) moved

c) has had

d) finished

5

a) am

b) arrived

c) have been

d) am spending

e) left

f) finished

g) is

h) have designed

i) haven't learnt

j) is

k) has just sent

l) are having