31.Will Mr. Black be here soon?（08包头）Im not sure. Lets go and see _.A. when will the train arriveB. when the train arrivesC. when the train arrivedD. the train when will arrive23Do you know _she came here?（05随州）-Yes，I doShe came by planeAwhere Bwhy Chow Dwhat42. Do you know _ well get there at 3:00 this afternoon?（05安徽） Im afraid well be late. A. thatB. howC. why D. whether34. I want to know _
