An advertisement is useful in ________ it lets customers know of the kinds of goods in the shops.
— Have you finished your composition already? — Yes. I ______ it in twenty minutes.
The performance supposed to be popular______ to be a great disappointment after it was over.
Some pictures of the river brought the days back to the day______ they swam in it.
It’s so surprising to hear from my school teacher again. ______, we last met more than twenty years ago.
It is said that the famous football star is now willing to play for______ would pay him three million dollars a year.