I think this is ____ useful dictionary.

填冠词.2.This is a useful dictionary,I think.So it is,and it's( This dictionary is not as/so useful as you think This dictionary is not as ____as you think.A、useful B、much u 英语：This dictionary is not as/so useful as you think. I hear this dictionary is very ____ for us students this dictionary is very useful,it has______many problems abo 33.---I hope will find this dictionary useful. This dictionary is () I wanted English is very useful l ,I think I think——（this,that,it）is very useful to learn english well. I think a dictionary is very ____(help) to our English study I think this paiting is better than ____ on show