1.Is this the hotelyou said where to stay in your letter?2. Is this the hotel the one you said to stay in your letter?3. Is this the hotel you said at which to stay in your letter?4. Is it the hotel you said that to stay in your letter?没完全看懂此题,但我感觉可能是这样用that的时候,将this 改为it因为是强调句