The old couple decided to　　 a boy and a girl though they had three of their own.

Some research has indicated that unemployed workers should ______ any job they can get, including temporary work, as a bridge to higher-paying employment.

She _____ an old friend of hers yesterday while she was shopping at the department store.

Recently, to maintain national balance, the Chinese government has _____ a policy of encouraging college graduates to take positions in rural areas.

He came to my lecture every week, but his look  ___  that he was not really interested.