一道难题,求学霸指点,谢谢

如题所述

第1个回答  2014-02-13

    There are some letters in the letter box.--There aren't  any letters in the letter box.

    -----Are there any letters in the letter box?.

    There are some tomatoes under the table---There aren't  any tomatoes under the table

    -----Are  there any tomatoes under the table?

相似回答