单选题：It just isn't fair ________ I am working as a writer, my fr..

— Why didn't you pay the bill for Tina?— I offered to, ________ she refused.[ ]A. and B. butC. or D. so

How I miss you! It's over a month ________ I last saw you.[ ]A. whenB. sinceC. untilD. before

I hope you don't mind me asking, _____ where did you buy those shoes?[ ]A. so B. and C. yet D. but

短文改错 Last weekend we went mountain-climbing. Even the heavy rain in the morning could not prevent us go. Setting off very early, we went along an extreme narrow road, all in high spirits. On every side of theroad were green fields and some farm house. We

It's convenient to own a car; however,I don't think it's good to drive one________you go,especiallyin places with a lot of traffic. [ ]A. wheneverB. whicheverC. whateverD. wherever