At first, the company had 15 notebook computers but only one – third used regularly. Now we have over 60 working all day long.
—Do you like __________ here?—Oh,yes.The air,the weather,the way of life.Everything is so nice.
He asked the beautiful girl to ___.
It’s dark.They have no choice but ___ the next train.
Don't speak until ___ to.
In a shop ___ customers.