摘要：31．A．sun B．satellite C．planet D．star
网址：http://m.1010jiajiao.com/timu_id_852883[举报]
--What is a satellite
（卫星）?--It moves around the ________.
[ ]
|
A ．planet |
B ．Sun |
C ．Earth |
D ．solar system |
网址：http://m.1010jiajiao.com/timu_id_852883[举报]
--What is a satellite
（卫星）?--It moves around the ________.
[ ]
|
A ．planet |
B ．Sun |
C ．Earth |
D ．solar system |