onder what makes you a successful manager.— I _______ as a waiter for five years, which contributes a lot to my today’s work.

_______the safety of gas, the government has checked the city’s gas supply system thoroughly. [ ]

Our women athletes achieved great success in tile 2012 London Olympic Games.–Yes. No one else could perform ________, I think.

What a wonderful ___________ it is! You look lovely.—Thanks. I took it in Paris last year.

Ted is such a helpful colleague that he is willing to do, ________， any favour we might ask him.