下列各组划线的字的读音都相同的一组是（ ）

Please________my suitcase while I go to buy the ticket.[ ]

orean government plans to import Chinesecabbage from China, as the recent rainstorm has______ the price

I didn’t understand ________ so I raised my hand to ask.

Mum, my trousers are too old. I want to buy a new ______.