The problem puzzled me so much that I stopped for a few seconds to try to_______.
Only after a baby seal is pushed into the sea by its mother ___ to swim.
"Will you be able to finish the job this week?" " ___ ."
She was just about to explain ___ she hadn't passed her maths test chiefly out of carelessness ___ her uncle came.
The newspaper's owner and editor ___ away on holiday.
____ the expense, I ____ a round-the-world tour.