——— ________of volunteers will be neededd for 2014 International Horticulture Exposition in Qingdao———let's go and______them.A.tnousands;join B.thousand;be a member of C.three thousand;take part in D.thousands;be in
问题描述：
——— ________of volunteers will be neededd for 2014 International Horticulture Exposition in Qingdao
———let's go and______them.
A.tnousands;join B.thousand;be a member of C.three thousand;take part in D.thousands;be in
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