he is experienced --- writing emails

(a)  

ashamed -- having failed

(a)  

concentrate --- something important

(a)  

an answer -- the question

(a)  

proud -- his son

(a)  

famous -- breath-taking sights

(a)  

supply the customer --- the right products

(a)  

succeed --- making a lot of money

(a)  

similar -- mine

(a)  

respected -- being an honest politician

(a)  

deal -- the problem later

(a)  

keen -- going to the cinema

(a)  

sorry -- having done something wrong

(a)  

provide her -- with everything she needs

(a)  

responsible --- employing new workers

(a)  

an expert --- astronomy

(a)  

fond -- romantic films

(a)  

congratulate him --- his success

(a)  

interested ---- pursuing a career

(a)  

capable --- getting to the top

(a)  

take pride --- what you do

(a)  

be short --- money

(a)  

praise her --- doing such a good job

(a)  

cooperate --- the competitor

(a)