Find out the different sound of the underlined letters.
A. park B. card C. warm

It's reported that the passenger ship "Eastern Star" capsized and sank（翻沉) in the Yangtze River _____ June 1st, 2015.
A. in B. on C. at

People in North China eat noodles as their main food ___ people in the south eat rice.
A. as B. while C. when

--Will you go to see the movie The Left Ear with me tomorrow?
--Sorry, but I ___ it twice.
A. have seen B. saw C. will see

--Jim, please help me ____ the cooked meat. I want to make fried rice.
--OK.mom
A. cut down B. cut up C. cut off