【C3】A．watchedB．examinedC．viewedD．expected

回答（56）题 查看材料A.watcheDB.produceDC.learntD.heard

【C7】A．watchedB．followedC．inspectedD．traced

I think it absolutely essential that all the facts_____first.A．be examinedB．were examinedC

【C2】A．watchedB．relatedC．wroteD．observed

【C3】A．participatingB．joiningC．attendingD．expecting

A．watchedB．producedC．learntD．heard