Only after they had discussed the matter for several hours ________ a decision. 

— I need to advertise for a second-hand mountain bike.— _______？David just plans to sell his present one.

So difficult __________ it to adapt to the academic requirements of a Western university that I determined to take a preparation course. 

Not until my first book was put on the top 10 list________ writing could really make a difference in my life.

We will have a meeting next week, but we don’t know ＿＿＿＿＿.