单选题：_____ the term is finished, I'm going to rest a few days an..

Keep up a good state of mind even if you ______ fail plenty of times.A．shouldB．willC．mustD．need

What the doctor doubts is _____ my mother will recover from the serious disease soon.A. whenB. how C. whetherD. why

(2013·银川高三一模)—Where is the post office?—It's just over there, at the end of the street. You ________ not miss it.A．canB．mustC．mayD．should

A dozen ideas were considered _____the architect decided on the design of the building.A. before B. because C. whetherD. unless

Unlike watching TV, reading is a highly active process ____ it requires attention as well as memory andimagination.A. until B. but C. unless D. for