1.He has been out of ____________ (联系) for 10 years.
2.Tom is a b___________ boy and he can learn something quickly.
3.I hear many famous actors will be p___________ at the party.
4.Children are always c___________ about almost everything around them.
5.In children's eyes, soldiers and firemen are always regarded as b___________ persons.
6.Since you can not see clearly, you'd better go to ask a doctor to e___________ your eyes.
7.The government has taken so many measures to ___________ (保护) wild animals.