Nothing is _____ to defeat you when you often assess yourself negatively. 

Affected by their good deeds, I was ________ to join them in helping the old.

We need a (n) ____________ team leader who can really motivate the members to work harder.

With online shopping increasingly popular, the Internet is seen as a(n)   way of reaching target customers.

Though working outside, he is always      about his aging mother at home.