1．The latest information confirms my belief that he is to ____________(应负责任)．
答案：blame
2．If we can’t solve the problem right now，more serious ones will ____________(出现) soon.
答案：arise
3．After graduation，Jean was ____________(雇用) by a company as an accountant.
答案：employed
4．To expand his company，Bill will ____________(尝试) to develop the international business.
答案：attempt
5．When the dog attacked me，I ____________(保卫) myself with a stick.
答案：defended
