【C11】A．wrongB．badC．guiltyD．mistaken

They have been living under the most appalling conditions for two years.A．dreadfulB．badC．u

（Since) the injury （is bad), the doctors （will operate) him （immediately).A．SinceB．is badC

Miss Jones is a （) engineer than Miss Smith.A．bestB．badC．worserD．worse

【C18】A．betterB．badC．worstD．good

At first _______ I thought it was a dog but I was mistaken.A. impressionB. glanceC. as

Speaker A: If I am not mistaken, your birthday is coming up. Has your brother sent you any