Question

【题目】China has______ the WTO for some years.

A. taken part in B. joined C. been a member of D. entered

Answer 1

【答案】C

【解析】句意：中国成为世界贸易组织的成员已经很多年了。taken part in参加，是瞬间性动词，不能和一段时间连用；joined加入，瞬间性动词；been a member of是…的一员；entered进入，瞬间性动词。句中for some years是一段时间，故A、B和D都不对，选C。