用从句完成下列句子

用从句完成下列句子
This is the city _________________(他出生的).
The student _____________(我们打算帮助的)is a boy from Canda.
Do you know the reason ____________(她英语差的)?
_______________(如果我有这样的机会),I will make a good use of it.
________________(虽然他不富裕),he always helps those poor with money.
He does running every morning __________________(为了减肥).
Do you know ________________(二战何时爆发的)?
He often asks me ________________ (这个人是否值得尊重).
Can you tell me ______________________(我们班有多少个学生)?
He practices speaking English every day,________________(这使得他英语说得最好).