Mr. Johnson insisted that the problem worthy of attention______(讨论) at the meeting. (discuss)

单项选择题We only had $ 100 and that was______to buy a new computer.

单项选择题The meat you bought last week______terrible. It______bad.

单项选择题______you told me______true

填空题Only if people of all the countries are united______(我们才能解决) the existing problems in the world. (solve)

问答题请设计一节课的教案，达到以下目的： 1．学生通过对例文的学习能够写作thank-you：letter； 2．培养学生运用英语的能力。