基本信息
21．it is really _____ useful dictionary and _____ dictionary every one of us needs． a．an; a b．a; the c．the; a d．a; a 22．life is harder for senior three students throughout china．hardly _____ endless exercises or tests． a．does everyday go by with b．does any day go by without c．everyday goes by without d．any day goes by with 23．--- mum, have you seen my mobile phone? ---______ you bought last week? i’m afraid i haven’t seen _____．
