We used to see each other ________，but I haven't heard from him since last year.(2012·辽宁)

—Have you been to New Zealand?—No, I’d like to, __________ .

(2013·石家庄高三一模)—Have you seen the film Lost on Journey?—Yeah, amazing! It's ________ than the films I have ever seen.

Food safety is ________ important, so our government spares no efforts to prevent food being polluted.

— You keep on coughing. What’s the matter? —  Oh, I’ve got a cold. Nothing serious, ____.