--- Bob doing homework?---No, he isn’t. He is a letter.
None of us _________ pollution. A. like B. likes C. except
My uncle asked me ________ I ________ better or not. A. whether , feel B. if , feeling C. whether ,felt
----The program _________ them ________ houses. A. provide, to B. provides , for C provides, with
They don’t go to walk every evening, ________ does he . A. So B. Neither C. Such
I _________ him for a long time . A. didn’t seen B. haven’t seen C. will see