22.There are over 58,000 rocky objects in space,about 900 of which could fall down onto earth.(A)the

問題詳情

22.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
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)