QUES: The fastest and easiest way to open your BAY file is to doubleclick it

correct the punctuation.

CORRECTED: The fastest and easiest way to open your BAY file is to double-click it.

QUES: Taittinger boasts 288 valuable hectares of vineyards in the best areas of Champagne and 20 million bottles of champagne in its caves

correct the punctuation.

CORRECTED: Taittinger boasts 288 valuable hectares of vineyards in the best areas of Champagne and 20 million bottles of champagne in its caves.

QUES: Pucca finds out fun types of saying I love You

correct the punctuation.

CORRECTED:
Pucca finds out fun types of saying "I love You"