He made another wonderful discovery, ______ of great importance to science.
It is not expected ____ he said caused so much discussion at the meeting.
He is always ready to help others. That’s one of his _____.
Please remind me in case I ______ forget.
The bridge ____ in the 1800’s was the oldest building in this village.
It was playing computer games that cost the boy plenty of time that he ______ spent doing his lessons.