These　good　sare＿＿for　export，though　a　few　of　them　may　be　sold　on　the　home　market．

A)essentially?      B)completely?      C)necessarily?    D)remarkably

If　you＿＿the　bottle　and　cigarettes，you'll　be　much　healthier．

A)take　off　     B)keep　off　     C)get　off　    D)set　off

Mr.Morgan　can　be　very　sad＿＿，though　in　public　he　is　extremely　cheerful．

A)by　himself   ?B)in　person?    C)in　private    ?D)as　individual

John　Dewey　believed　that　education　should　be　a　preparation　for　life，that　a　person　learns　by　doing，and　that　teaching　must＿＿the　curiosity　and　creativity　of　children．

A)seek　B)stimulate　C)shape　D)secure