1.Steve started working for this company five years ago. Steve has2. Do you have any experience of driving this kind of ear?Have you3. When she heard the results, Mary began to feel more confident. Since4. Nancy hasn’t come since 1999.The last time5. During my dinner, the phone rang. While6. David left the party before we arrived there. When¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬-7. We haven’t gone to a concert for ages. It’s8.Sarah hasn’t seen her friends since she left for the United States. Sarah last9. I have never stayed in such an expensive hotel before. This is10. In the middle of our sleep there were a knock at the door. When11.My wait for a bus has lasted thirty minutes so far.

1. Steve has been working for this company for five years.

2. Have you had any experience driving this kind of car?

4. The last time Nancy came was 1999.

5. While I was having my dinner, the phone rang.

6. When we arrived, David had left the party.

7. It's been ages since we have gone to a concert.

8. Sarah last saw her friends before she left for the United States.

9. This is my first time staying in such an expensive hotel.

10. When we were in the middle of our sleep, there was a knock at the door.

one context clue that me find the meaning of luxuriance was that the base word of luxuriance is luxury, so i think that luxuriance means something that is luxury, or something luxurious.