题目

— Do you know ______ from Tianjin?— Next Friday.A.when John came back B.when John will come backC.when did John come back D.when will John come back 答案：【答案】B【解析】句意：——你知道约翰什么时候从天津回来吗？——下周五。考查宾语从句。根据答语，可知用一般将来时，所以排除AC；又根据宾语从句语序为陈述语序，所以排除D，故选B。How many _______ are there in your class?A. child B. children