求几道宾语从句的解释：：：：：

求几道宾语从句的解释：：：：：1.I wonder _______ he is crying now .A.that B.why C.how D.when 【B】【为何不选A】2.Please tell me _______.A.what does he like B.what he does like C.what he likes D.what he like【C】为何不选D（1）The small children don't know ______.A.what is their stockings in B.what is in their stockings C.where is their stockings in D.what in their stockings（2）Someone is ringing the doorbell .Go and see _______ .A.who is he B.who he is C.who is it D.who it is 【这两道有什么不同啊】4.My sister told him ________ .A.what day was it B.when the train arrived C.who she was waiting D.where did you live5.He told me two weeks _______(be) enough.【为什么填was!】