Make sentenses using the following prompts
Example: this problem | for too long
They have been trying to solve this problem for too long

1. the presentation | several days
2. the custimers | twenty minutes
3. this conference | two weeks
4. this fax | 7 o'clock
5. this subject | three terms
6. the lecture | two hours
7. the perfomance | several month
8. training | one year

2. The customers had to wait for twenty minutes because of poor service. 3. This conference lasted for two weeks. 4. We received this fax at 7 o'clock. 5. This subject includes three terms. 6. The lecture will start in two hours. 8. Training will take one year.