QUES: Change the shortcut arrow to whatever you want

correct the punctuation.

CORRECTED: Change the shortcut arrow to whatever you want.

QUES: By perusing a reputable end user report about Virility Ex male enlargement tablet in GraaffReinet South Africa review you ought to find out which product will be the best in your condition

correct the punctuation.

CORRECTED: By perusing a reputable end user report about Virility Ex male enlargement tablet in Graaff-Reinet South Africa review, you ought to find out which product will be the best in your condition.

QUES: It turned out that Hamilton had made an poor choice as he lost interest in astronomy and spend all time on mathematics

correct the punctuation.

CORRECTED:
It turned out that Hamilton had made an poor choice as he lost interest in astronomy and spend all time on mathematics.