According to the rules and regulations, all payments ________ be made in cash in the shopping center.

---Lucy doesn’t mind lending you her dictionary.---I think she doesn’t, but I ________do so. I’ve already borrowed one.

(2013·南昌三中模拟)—Do you think Jack will lend us a hand?—He is the last one to help others. He ________ lend his hand, though.

Mountain climbing ______ be really dangerous at times even though it is challenging and exciting in general.

--- Mike, since you don’t like to see the film with us, you ____ as well watch TV at home.--- OK, Mum.