Tom couldn’t ___ those forms until I had explained how to do it twice.
Throughout _______history, man has had to accept ____fact that all living things must die.
–I’d like to be on my own for a while. Do you mind? --________. Go ahead.
The police were seeking more information to find out______ the rich merchant.
Several weeks had gone by______ I realized the painting was missing.
Lucy has got into a situation in her study______ she finds it hard to go further.