为你解答.
1He worries about his exam.（考试）用yesterday改写句子
He worried about his exam yesterday.
2He is very lucky. He saw his mother. 改为同义
Luckily he saw his mother.
3He （went fishing）last Monday.
What did he do last Monday?
4He grew something on the farm.改为否定句
He didn't grow anything on the farm.
5Our trip was （very great）对括号提问
How was your trip?