按括号中的要求完成改写后的句子，每个空格填一个单词。
Mr. Smith is doing morning exercises now. (改为否定句)
Mr. Smith _________ ___________ morning exercises now.
The old man has been in Jinan for about 50 years.（对划线部分提问）
___________ ____________ has the old man been in Jinan?
My friend asked me:“Do you want to go there?”(改写句子，句意不变)
My friend asked me ___________I ____________ to go there.
Because of your help, we could finish the work easily. (改写句子,句意不变)
___________ ___________ your help, we could finish the work easily.
Parents will allow teenagers to relax themselves if they finish their homework. (改写句子,句意不变.)
Teenagers will be ___________ to relax themselves if their homework___________
finished.