人类选择月球作为探测宇宙星际航行的第一站的主要原因是______。
C
暂无解析
Wecannot_____thecountry’stelecommunicationstounqualifiedpeople。
_______inthought,healmostranintothecarinfrontofhim.
Whichofthefollowingsentencesisthemostproper?______
Theybuiltahighway_______themountains.
Wewillconsider______yourtermsofpayment.
