问题 仿写题,造句
仿照例子写句子。
例:  Two rabbits plus thirteen rabbits equals fifteen rabbits.
1.  _____________________________________________________
2.  _____________________________________________________
3.  _____________________________________________________
答案

1. Ten pigs plus twenty pigs equals thirty pigs.

2. Twelve cows plus fifteen cows equals twenty-seven cows.

3. Twenty-one ducks plus nineteen ducks equals forty ducks.

解答题
单项选择题