问题
选择题
Tiangong-1, _____ first Chinese space laboratory, was sent up into space successfully
on September 29, 2011.[ ]
A. a
B. an
C. the
D.(不填)
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Tiangong-1, _____ first Chinese space laboratory, was sent up into space successfully
on September 29, 2011.[ ]
A. a
B. an
C. the
D.(不填)
答案：C