You look tired— Yes I ___ non-stop until 8 o’clock

I don’t believe this advertisement. That kind of mobile phone is it says.

What’s the matter with John He has been sitting there for hours.— A postcard from his father_______ an attack of home-sickness in him.

The number of the foreign tourists to visit the US is expected to be more than 2 million by 20l5, l4 billion to the US economy.[ ]

Two middle-aged passengers fell into the sea _______, neither of them could swim