--Good morning. How much should I pay for these books ________ to Alabama? -- Hm, about ten dollars.
Have you ever wondered ______ there are so many natural disasters across the world in 2010?
---- Was the driving pleasant when you vacationed in Mexico last summer?---- No, it ________ for four days when we arrived, so the roads were very muddy.
Any opportunity should be made ______ of _______ your spoken English.
----- What about _________job?----- It’s too difficult ______ job for me?
Thinking you know in fact you don’t know is a terrible mistake.