1. My little brother started school b. when he was six
2. The Prime Minister hasn't been abroad d. since January
3. I caught a cold, f. when we went out in the raing.
4. My father has been asleep in bed , a. all day
5. The Red Cross started c. in the 19th century
6. The dentist has asked us to wait g.for a few minutes.
7. The last bus left. e. several minutes ago