填不定代词或这副词 Maybe ______ is in the room because the light is o
填不定代词或这副词 Maybe ______ is in the room because the light is on
填不定代词或这副词
There's isn't ______ watching TV at the moment .Please turn it off.
Is____ here? NO,John has asked for a leave
Do you believe _____ in ads? NO,only some of them
Where have you been this summer holiday? I haven't _____ .I just strayed at home