Some children want to challenge themselves by learning a language different from _____ their parents speak at home.
____ I'm mistaken, I've seen that tall man at a party before.
Paper produced every year is ________ the world’s production of vehicles.
It turned out that she won the first prize in the competition, which was beyond her .
—Hello! This is travel agency office.—Hello! I'd like to book two tickets for Qing Western Tombs.— .
— What has made him unhappy recently?— __________ alone to do the house work.