根据句意或汉语提示补全句子。(20分) (1)Twenty and twenty is ________. (2)Seventy and seven is ________. (3)I'm the ________(冠军). (4)Ten big ________ (狮子) are at the zoo. (5)I've got ________(98) points.
照例子,算一算。(20分) 例:Four and four is __eight__. (1)Six and eight is ____________. (2)Eight and nine is ____________. (3)Five and five is ____________. (4)Ten and ten is ____________. (5)Nine and four is ____________.