问题
选择题
.There are over 58,000 rocky objects in__________ space,about 900 of which could fall down onto earth.
A.the rhe
B.不填 the
C.the不填
D.a the
答案
答案:B
.There are over 58,000 rocky objects in__________ space,about 900 of which could fall down onto earth.
A.the rhe
B.不填 the
C.the不填
D.a the
答案:B