OneofChina’sleadingInternetservicecompanies,qq.com,laun...

問題詳情：

One of China’s leading Internet service companies, , launched its Olympic strategy plan onThursday,        10 video programs during the London Olympic Games in 2012.

A. announce            B. announcing     C. to announce        D. announced

【回答】

B

知識點：非謂語動詞

題型：選擇題