2. I will be off on business next month. If you write letters and E-mails to me, please _____ all the mails to Mr. Zhang.
Having never met with such a _____ problem, he felt _____ and didn’t know how to solve it.
Officials believe that more than one person _____ for the big fire.
To understand the grammar of the sentence you must break it___ into parts.
Do you think _____ true that _______is hard work that leads to success?