问题 填空题
测测你的口算能力,将句子补充完整。
1. 45 + 36 = ?Forty-five plus thirty-six equals (等于)                   .
2. 16 + ? = 52Sixteen plus                    equals fifty-two. 
3. ? + 29 = 67                    plus twenty-nine equals sixty-seven.                                                     
4. 17 + 83 = 100                                                                          .
答案

1. eighty-one  2. thirty-six  3. Thirty-eight  4. Seventeen plus eighty-three equals one hundred.

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