A person who likes giving presents is (a)  

A person who never does any work is (a)  

A person who makes people laugh is (a)  

A person who is open and nice is (a)  

A person who is nervous and uncomfortable meeting new people is (a)  

Opposite to "talkative" is (a)  

Opposite to "generous" is (a)  

A person who is outgoing, sociable, and friendly is (a)  

A person who always does a lot of work is (a)  

A person who rarely tells a joke and doesn't talk and laugh a lot is (a)