Question

3. They made various proposals orally,but I suggest that it would be better if they          everything in black and white.

   A. get   B. cover   C. put   D. let

Answer 1

3. C put此处意为"表达(某意见) ；写出来;说"， put. .. in black and white意为"付诸文字，用白纸黑字将……写出来"。