修改一篇英语日记Today,I have a test for my school.Before the test,We

Today,I have a test for my school.Before the test,we studied hard.I thought:no pain,no gain,so I read my book very "carefully".
"Test is begin!"somebody said.We closed the book,began test.
(One hour later,the test was end.)
"Wow!the question is difficult!" "Yes!" "I think so!" "I agree with you!"......It really hundreds respond to a single call!
Whoops!I hope I will have a better grade!
actually,i don't understand what do you mean by "i thought:no pain,no gain." you don't need to change the words in "..." because there are the words what students said.

No pains,no gains......不知道你们改什么……都错的……

Today,I had a test in my school.Before the test,We studied hard,I thought:No pians,no gain,So,I read my book very "carefully".
"Test began!"somebody said.We closed the book,began the test.
(...

Today,I had a test in my school.Before the test,We studied hard,I thought:No pain,no gain,So,I read my book very "carefully".
"Test is begun!"somebody said.We closed the book,beginning test.

Today,I had a test in my school.Before the test,We studied hard,I thought:No pians,no gain,So,I read my book very "carefully".
"Test is begun!"somebody said.We closed the book,beginning test.

英语语法太差