3.A young tourist has been declared ................................ after he got lost in the mountains last Monday.
A. missing B. absent C. deserted D. vanished
4. Pippa said she hadn't broken the window, but eventually she confessed ............................. having done it.
A. for B. to C. about D. at
5. .…………………… 90% of Asia's people live in the eastern and southern parts of the continent, which contain some of the most ………………………. regions in the world.
A. Most/ thick-populated B. Almost/ thickly-populated
C. Most/ thickly-populated D. Almost/ thick-populated