Tom says he ______ you and is helping you with the research at present.
--- I am shocked at the news that many pupils were killed in the terrible traffic accident. --- So am I. Little ____ the safety of the poor children.
She showed the visitors around the museum, the construction _____ had taken more than three years.
It suddenly occurred to him _____ he had left his keys in the office.
New technologies have made ______ possible to turn out new products faster and at a lower cost.
Building a new school is one thing, while keeping it running smoothly is quite_______.