A．performedB．studiedC．broughtD．taken

I（)English for about ten years.A、have studiedB、studiedC、studyD、have study

A．soldB．postedC．broughtD．returned

【C3】A．performedB．behavedC．workedD．studied

【C6】A．tookB．putC．broughtD．carried

【C7】A．studyingB．studiedC．studyD．studies

【C11】A．tookB．putC．broughtD．carried