选择单词补全短文,并把其字母编号写在括号内。
Today is Tim's birthday. It's 7:00 (A. clock, B. o'clock) in the evening. Tim is
(A. having, B. have) a party with his family now. Tim's mother is putting eight
(A. candle, B. candles) on the birthday cake. Then Tim blows out(吹灭)the candles. Tim's little sister Ann is singing (A. a, B. an) birthday song. They eat the birthday cake. They (A. is, B. are) very happy.