41.You can see the stars on a clear night, but in the daytime they are _________

問題詳情

41.You can see the stars on a clear night, but in the daytime they are __________.
(A). unavoidable
(B). invisible
(C). inaccessible
(D). unavailable

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