Inglese.. completare le frasi

[Giorgia2607]

Ciao a tutti!
Vi riporto alcune frasi da completare e le possibili risposte. Ho riportato in stampatello maiuscolo le mie risposte, gentilmente mi direste se ho risposto correttamente e se ho sbagliato mi direste qual è quella giusta.
Grazie in anticipo!
1)He ... on the balance sheet since 9 o'clock this morning. It's nearly finished
a)is working
b)works
c)will work
d)has been working
A
2)... the article all week. It's nearly finished.
a)I wrote
b)I've written
c)I've been writing
d)I'm writing
D
3)"Is Gerald here yet?" "No, .... for him"
a)we're waiting stil
2)we're already qaiting
c)we're still waiting
d)we're again waiting
C
4)The hotel manager ... that there were no moro vacancies.
a)explained him
b)said
c)told to him
d)spoke
B
5)I'm sure I ... typing the report by next Friday.
a)was finishing
b)will have finshed
c)am finishing
d)finish
B
6)Milan is .. city I know
a)more expensive
b)the more expensive
c)the most expensive
d)most expensive
A
7)I... to America
a)have never been
b)never goes
c)has never gone
d)never am
A
8)Peter looks ill and he's got a high temperature. He ... see a doctor.
a)will
b)ought
c)should
d)does
C
9)We have had these offices ... 25 years
a)from
b)for
c)since
d)at
B
10)His secretary .... on the report when I phoned her.
a)has worked
b)is woring
c)was working
d)worked
C
11)I have Mr. Brown's address, but he doesn't have...
a)our
b)ours
c)us
d)the our
B