He_______tostudyharderinthefuturesothathecouldhavemoreopportunitiestofindabetterjob.

• A.resolved
• B.resorted
• C.requested
• D.reserved

Manykindsofanimalsarebelievedtohave_________fromtheearth

• A.withdrawn
• B.vanished
• C.found
• D.hung

ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.

• A.detective
• B.president
• C.manager
• D.director

Pinetreesareusuallybelievedto_______coldweather.

• A.guard
• B.accomplish
• C.roar
• D.endure

The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.

• A.research
• B.rescue
• C.vessel
• D.vast

ThecollegestudentsinChinaare_______fromsmokingoncampusbecausethiswilldothemnogood.

• A.discouraged
• B.observed
• C.obeyed
• D.obtained