where is John?--- He ___ in the librarya.should be b.must be为何选B,而A表“应该在”为何不对?

Where is John?he is p( ) still at work. Where is John?He ( )(go)to the scince -What did the teacher ask you before?-He asked us______A.where John was fromB.where John is fromC.where was John fromD.where is Jnhn from Buddy, where is john?翻译 where is John,Tom?he ___(must be,can be )in the library john is a good boy and he s_very hard atschool where is your mother jane she is c_breakfast for us Where is john?It's over there.john 指什么 where is John?John在哪里?就是什么中文啊！ Where is john's house?是什么意思 填补短文：It's time( ) go.Where ( ) John?Is ( ) playing chess?Yes,he( ).Tell ( ) we're leaving.Where ( ) Amy?Is ( ) writing a report?No,she( ). where is he where is john ,steven.is he ______late for work i don't think so .maybe the traffic is too busy today A.always B.sometimes C.never where is john is pen pal from?翻译 what 's John like He is e_____ He is John.(改为同义词） He is John Brown.改为同义句 What is he?He is my friend,john. where is john?he is at_____Mr.Green's Mr.Green The Mr.Green The Green's选那个?说下原因,谢谢~