cook！"

　　The mood changes__17__when she says to the camera in a gentle voice，"I love being with you. You work so hard__18__I miss you when you're gone. Are you ready? Happy birthday to you，" she__19__．"Happy birthday to you. Happy birthday to Mommy，happy birthday to you！" At the end of the video，Claire leans in close to the__20__and whispers sweetly："I love you，" before waving and blowing a kiss with the words："Bye bye！"

　　1．A.changeable B．comfortable

　　C．reliable D．memorable

　　2．A.viewed B．interviewed

　　C．noticed D．treated

　　3．A.cases B．situations

　　C．reasons D．factors

　　4．A.equally B．willingly

　　C．occasionally D．correctly

　　5．A.mouth B．fingers

　　C．mind D．hands

　　6．A.ahead of B．due to

　　C．instead of D．according to

　　7．A.happiest B．easiest

C．biggest D．greatest