_________ you are on holiday,you should enjoy leisure time and take your focus off your work.
My son is very shy, but can you imagine ____ at the English party?
The Chinese ____ prefer tea to coffee.
Although he likes playing tennis, he is ____ but a good tennis player.
Professor Li, who I ____ abroad, still teaches in Peking University.
--- How do you feel about taking the job in Los Angeles?--- ____? It's the biggest company in the country.