Choose the correct option a-c to complete the sentences.
1. I ..............to a trade fair until I went to the one in Las Vegas last month.
a) had never been b) never been c) have never been
2. I........ my money into real estate.
a) invested b) have invested c) invest
3. He........a manager when he was 25.
a) has become b) was becoming c) became
4. I ........the approval of three committee members before Bob signed off on the
project.
a) had already got b) did already get c) have already got
5. The vice-president usually .........objectives for the staff.
a) set b) sets c) has set
6. I .......working as a freelance consultant in 2004.
a) start b) started c) have started
7. We ......... any final decisions yet.
a) didn't make b) haven't made c) have made
8. General Motors........the world's biggest car company for nearly 40 years.
a) was b) has been c) is