题目内容
【题目】The 60th anniversary celebrations of the PRC many different departments and classes of people.
A. involved in B. involving in
C. was involved D. involved
【答案】D
【解析】发生在过去的事情，所以用一般过去时，involve是及物动词，所以后面直接接宾语。
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题目内容
【题目】The 60th anniversary celebrations of the PRC many different departments and classes of people.
A. involved in B. involving in
C. was involved D. involved
【答案】D
【解析】发生在过去的事情，所以用一般过去时，involve是及物动词，所以后面直接接宾语。