He rushed out of the burning house with the little boy in his arms ____________ the roof fell down and the boy was saved.
In the reading room, we found her ________ at a desk, with her attention ________ on a book.
All those second-hand cars are sold at before
What _______ pity that you must leave now! It is such _______ great fun to have dinner with you.
---- So you missed the lecture given by Professor Smith.---- ____.I got there 30 minutes before it finished.
---- Our holiday cost a lot of money.---- Did it ? Well, that doesn’t matter_______ you enjoyed yourself.