Answer:
1. After Fred<u> spent</u> his holiday in Italy, he <u>wanted</u> to learn Italian.
2. Jill<u> phoned</u> Dad at work before she <u>left</u> for her trip.
3. Susan turned on the radio after she <u>washed</u> the plates.
4. When she <u>arrived</u>, the match had already <u>started</u>.
5. After the man <u>came</u> home, he <u>fed</u> the cat.
6. Before he <u>sang</u> a song, he <u>played</u> the guitar.
7. She <u>watched</u> a video after the children <u>went</u> to bed.
8. After Eric<u> made </u>breakfast, he <u>phoned</u> his friend.
9. I <u>am</u> very tired because I <u>studied</u> too much.
10. They <u>rode</u> their bikes before they <u>met</u> their friends.
A trigger makes something react.
Answer:
Look below!
Explanation:
The economy of the United States changed during 1850-1890 because in the last years of the nineteenth century, the U.S. did experience a dramatic change in the organization of manufacturing. But such changes in the economy of the United States did mark the U.S. with the American economy.
I think 3. Is B. I think 4. Is F and lastly I think 5. Is A