Doyle makes good use of many literary devices in his detective novel to ____ an impression of tension and mystery.
32.When and where to go for the on-salary holiday still .
31.Scientists have been curious about that fish. How does it live _______most fish would freeze to death?
30.He added, "President Obama is going to do_____ he thinks is necessary to get our economy moving again."
29.— Come on, please give us some more explanation about the project. — Oh, sorry. With so much work ______ my mind, I almost break down.
28.—How much sugar did you put in my coffee? It tastes so bitter. —I am sorry to say that there’s ________left.I’ve forgotten to buy ______on my way home.