D
因?yàn)橹骶涫乾F(xiàn)在完成時(shí)
表示已經(jīng)發(fā)生了,所以用D
如果是正在發(fā)生,就可以用C
There have been several new events＿＿＿ to the program for the 2008Beijing Olymoic Games．
There have been several new events＿＿＿ to the program for the 2008Beijing Olymoic Games．
A．a(chǎn)dd B．to add
C．a(chǎn)dding D．a(chǎn)dded
A．a(chǎn)dd B．to add
C．a(chǎn)dding D．a(chǎn)dded
英語人氣：128 ℃時(shí)間：2020-04-21 05:27:56
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