5条句子怎样改成therebe句型?中文：上个月我们进行了一次数学测试.碰巧有一道数学题,除了我以外,没有人能做出来.我的好朋友约翰想抄我的答案,他扔给我一张纸条,但我没理睬.这次测试以

Question

5条句子怎样改成there be 句型?
中文：上个月我们进行了一次数学测试.碰巧有一道数学题,除了我以外,没有人能做出来.我的好朋友约翰想抄我的答案,他扔给我一张纸条,但我没理睬.这次测试以后我们吵了一架,自此之后,我们之间存在很大的隔阂.我们之间一定有误会,我向他解释我为什么拒绝他的原因,最终我们又成为了好朋友.
英文：Last month we had a math test.Happen to have a math problem,except me,no one can make out.My good friend John would like to copy my answers,and he tossed me a note,but I did not ignore.After the test we had a fight,and since then,there is a big gap between us.Must be a misunderstanding between us,I explained to him the reasons why I refused him and eventually we became good friends.
文中只有5个句子，全改成there be 句型就行了。

Answer 1

1)There was a math test last month.
2)There happened to be a math problem,that,except me,no one can make out.
3)There was a good friend of mine John who would like to copy my answers,and he tossed me a note,but I ignored.
4)There was the fight after the test,and since then,there is a big gap between us.
5)There must be a misunderstanding between us,I explained to him the reason that I refused him and eventually we became good friends again.