坐 坐 phr. Is it cheaper to travel by train instead of by air? |
现 現 phr. Are we going to take the elevator and go upstairs now? |
是 是 phr. Is it because of the cold weather now that people in Beijing eat hotpot a lot ? |
这 這 phr. Is this a photo of your family? |
我 我 phr. The speed of my computer has become slower and slower. Could it because it has viruses? |
爸 爸 phr. Dad is very busy, isn't he? |