Answer: looks good so far,
Explanation:
1a) We've Been here FOR an hour.
1b) We've been here SINCE 4 o' clock.
2a)She hasn't spoken to me FOR 2 weeks.
2b) She hasn't spoken to me SINCE last week.
3a) They've live in this street SINCE 1970.
3b) They've lived in this street FOR a long time.
4a)I haven't had time to do it SINCE last Monday.
4b) I haven;t had time to do it FOR a few days.
5a) We haven't bought a new on SINCE ages.
5b) We haven't bought a new one FOR many years.
Answer:
C
Explanation:
he feels nervous about the prsentations
