John and Tom, you two clean the classroom today, _____? —But we cleaned it yesterday.

The beggar’s suffering couldn’t arouse any ________,who had lost his shirts because of being addicted to gambling.

Tom _____ to his friend’s birthday party, but he was too busy yesterday.[ ]

A company ______profits from home markets are declining may seek opportunities abroad.

ree tourism refers to traveling without a mobile phone or similar devices, particularly to places_____ block or cannot access Internet and cellular signals.