The earth could be younger and took more than three times longer to form than _______ thought, according to a new study

To see a young couple loving each other is；but to see an old couple loving each other is the bestsight of all.

______ a fresh mind for aninterview, be sure to have a good sleep the night before it.

I hope_____a teacher in the future.

You shouldn’t have said that．Look! She is getting _____． — But I meant no harm．