1.  Could I have your number?

2.  All the doors on this side of the street have odd numbers.

3.  Although similar in appearance, the two breeds actually have a number of essential differences.

4.  Chiron has a number of new vaccine candidates in the works.

5.  Each player has a number on the back of their shirt.

6.  Electronic trading has a number of distinct advantages.

7.  For a government committed to radical change, they had a number of disadvantages.

8.  He then had a number of convulsions, and it was a very worrying time for us all.

9.  However, the proposals for added emphasis paragraphs in respect of disclosures about inherent uncertainties have a number of drawbacks.

10.  I have his number down somewhere.