单项选择题
A.The doctor’s examination. B.His trouble with the cold. C.The tight neck of his sweater. D.His mother’s anxiety.
A.In the classroom. B.In the dinning hall. C.In the woman’s room. D.In the man’s room.
A.2 to 3 billion pounds. B.2 to 3 million pounds. C.3 to 5 billion pounds. D.3 to 5 million pounds.