Answer:
Some of the questions are unclear.
4. ... money in my pocket because I am afraid of losing it.
5. ... finish on time in spite of our best efforts.
6. Help yourself to some cookies!
7. Helen's never late so she must be held up in traffic.
8. Randy succeeded in qualifying for the 100 m sprint.
9. Northern Europe's economies are heavily dependent on natural resources.
10. At first I didn't look forward to exercising at the gym, but now I really enjoy it.
11. If you'd been more attentive, you would have heard what the teacher was saying.
12. As soon as Sarah comes in, ask her to help you.