He had little idea that it was getting so late, ___________ ?

What happened to her _______ that cold winter evening — I don’t know, and I’m also curious _______ it.

Make ______ a habit to putwhole-grain biscuits, nuts or raisins in your backpack.

Of course, all students want to increase their knowledge, but I believe that most students today want that knowledge to be _______ to their future career.

How much would you______for repairing my bike