Add punctuation: Compositions change but I think that composers to some extent have always followed the same strategy of renewal
A: Compositions change, but I think that composers to some extent have always followed the same strategy of renewal.

Add punctuation: Welcome window will appear for you as shown in Figure 1 Select Recover Photos from main menu and then choose Recover Deleted Photos
A: Welcome window will appear for you as shown in Figure 1. Select Recover Photos from main menu and then choose Recover Deleted Photos.

Add punctuation: Some Internet stations is commendable
A:
Some Internet stations is commendable.