Add punctuation: Now lets look at Portugals ambitious goals for the coming years
A: Now let's look at Portugal's ambitious goals for the coming years.

Add punctuation: Sky Park at 90 mm design post silver grey with ring in graphite grey
A: Sky Park at 90 mm design post, silver grey with ring in graphite grey.

Add punctuation: Artist Su Tianci is famous in the world with his oil painting art his oil painting works were selected to participate national art shows on each dues from 60s on and oil painting work Early Spring had won the bronze prize at the 7th National Art Show In 1987 Su Tianci Oil Painting Art Show was held in Paris International Art City and several oil painting works were selected to attend art shows held in Japan Singapore Taiwan and so on
A:
Artist Su Tian-ci is famous in the world with his oil painting art, his oil painting works were selected to participate national art shows on each dues from 60s on, and oil painting work "Early Spring" had won the bronze prize at the 7th National Art Show; In 1987, "Su Tian-ci Oil Painting Art Show" was held in Paris International Art City, and several oil painting works were selected to attend art shows held in Japan, Singapore, Taiwan and so on.