The country has already sent up three unmanned spacecraft，the most recent ________ at the end of last March.
A．has been launched
B．having been launched
C．being launched
D．to be launched
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
根据魔方格专家分析，试题“The country has already sent up three unmanned spacecraft，the most recent ________ at the end of last March.A．has been launchedB．having been launchedC．being la…”主要考查了你对 【现在分词的被动式】，【现在分词】，【不定式的被动式】，【过去分词】 等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。
◎ 相似题
与“The country has already sent up three unmanned spacecraft，the most recent ________ at the end of last March.A．has been launchedB．having been launchedC．being la”考查相似的试题有：
