(2013·江苏南通市二模)We ________ have hurried all the way to the airport — the flight was called off because of the foggy weather.

—Whose pencil sharpener is this? —It_________  mine  .Mine is here.I think it belongs to          .

The Internet is really ________ to us. We can get a lot of things from it.

You____Tom at the party yesterday;he went abroad for a holiday last week.

Mum prepares breakfast for us every morning, so she __________ early.