You can’t imagine the difficulty he ________onto the cliff and saving the boy in trouble.
The treatment will continue until the patient reaches the point _______he can walk safely.
--- How can you keep slim as a mother of two? --- I have been _______in the gym for years.
He has spent I think a lot _______time in reading than she has.
You say he works hard; so he does,and_______.
I will never know what was on his mind at the time,and nor will_______.