A:How
B:How soo
C:How ofte
D:How long
根据图片信息,找出相应的句子。
① ____ A. I listen to the radio.
② ____ B. I play on the computer.
③ ____ C. My mother, my father and I eat supper.
④ ____ D. I talk on the phone with my friend.
⑤ ____ E. I watch TV.
(Ⅰ)求C;
(Ⅱ)若c= 7 ,△ABC的面积为 332 ,求△ABC的周长.