单项选择题
A.2 to 3 billion pounds. B.2 to 3 million pounds. C.3 to 5 billion pounds. D.3 to 5 million pounds.
A.Because Billy complained to her that his nose or ears hurt. B.Because Billy complained to her that his nose and ears hurt. C.Because Billy thought for a few seconds. D.Because Billy had trouble with his nose and ears.
A.They like to talk with her. B.They have mental problems. C.They were insulted by the doctor. D.They’ve just felt on edge.