The adoption of orphans and physically challengedchildren has been a subject of public debate _____ a fire in an unregisteredorphanage last month.

_______ the same mistake again madehis parents unhappy; ______ by his parents, he left ______ .

13. If you cheat in the exam, you could hardly _____it.

resh air, ________

More ________ information is needed to help us work out the real situation.