17、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
科目:高中英语 来源:2013-2014学年高考二轮复习训练:专题2 非谓语动词英语试卷(解析版) 题型:单项填空
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
科目:高中英语 来源: 题型:
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
科目:高中英语 来源: 题型:
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
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