In _______, the northerners are keen ondumplings while the southerners are fond of rice.

Carl hopes to win the tennis game one day. That is he has been practicing hard.

He even________ to call the deal off if we didn’t satisfy his demands. [ ]

下列各句中，没有语病的一项是

Can I pay the bill by check? — Sorry.sir. But it is the management rules of our hotel that payment _____ be made in cash.[ ]