按括号中的要求完成句子，每个空格填一个单词。
The tourists are on the beach. (改为否定句)
The tourists _____  _______ on the beach.
I have waited for the bus for twenty minutes. (就句子划线部分提问)
______  ______ have you waited for the bus?
“When do you hold your school art exhibition?” the reporter asked me. (改写句子，句意不变)
The reporter asked me ______we ______ our school art exhibition.
You should put your heart into the test and shouldn’t think about anything else when you prepare for it. (改写句子，句意不变)
You should ______ _______ the test when you prepare for it.
Teenagers should read more books to improve their reading skills. (改写句子，句意不变)
Teenagers’ reading skills can ______ ______ if they read more books.