—Do you think he will do me a favor? — As far as I know, he is the last one to help others. He______be prepared to give you a hand, though.
You might wonder how it________to live without eating for so many days.
One learns a language by making mistakes and ______ them.
By the time you have finished this book, your meal ______ cold.
—It’s a long time________I saw you last.—Yes,and what a pity it is now that it will be a long time________we see each other again.
The factory produces two million pairs of shoes every year, half _______ are sold abroad.