55._________A. theB. /C. aD. an

The rising crime rate is ______ major concern of______ society.A．the, theB．a, ／C．a, theD．／

Ads are designed to have an effect while ______ at, belittled, and all but ignored.A．being

I went to _____ bed to pick up some papers on it.A、theB、aC、 ／D、an

When the suffix______is added to a verb, it changes this verb into an adjective.A．-lessB．-

When the suffix______is added to a verb, it changes this verb into an adjective.A．-erB．-ne

59._________A.For theB.ThisC.As aD. A