A. does he B. doesn't he C. don't I D. do I
单项选择题However much I Cut () on my consumption of expense, I cannot make both ends meet
A. off B. down C. back D. away
单项选择题This book will show you()can be used in other contexts
A. how you have observed B. how what you have observed C. that you have observed D. how that you have observed