He isnt at home now,if he —— at home,I —— him 这句应该用虚拟语气还是主将从

主将从现填空：Xiao Wang won’t stay at home tomorrow if he _______(n 选择：——Where is he?——____ he is at home now. 改错.He mustn't be at home.I saw him here just now. when I invited him,he a___ to home at once I think he must be at home now变反意疑问句 he does his homework at home（改为否定句）he—— ——his homework at ho He always (watch) Tv at home if he has home now he ____(not be) at home I think he is at home now (改为否定句） He often watches TV at home(用now改写 —Is Mr.Black ill?—_____.I think he must stay at home to have Maybe he is at home now.=He ( )( )at home now.