单项选择题
The government's ______ of sending its troops to Iraq last week triggered mass demonstrations in this Western country.
单项选择题 If you ______ your problem to us, we would have been able to give you some ad- vice.
单项选择题 Joseph is so brilliant that he always keeps some good ideas ______ his sleeve.
单项选择题 Anne plays ______ well enough to perform at a concert.
