单项选择题
The function of the first sentence in this passage is to （）
A．give detail B．sum up the story C．capture the reader’s interest D．elaborate upon a point
单项选择题 The man showed the boy （）he should play the piano.
单项选择题 It is very difficult to get from one place to another in Tokyo because（）
单项选择题 Dinosaur scientists can get information directly by （）
