I can ______ be a teacher. I’m not a very patient person.               

The new machine, as is reported in the local newspaper, will work twice as fast, _____ greatly reducing costs.

She devoted herself ______ to her research and it earned her a good reputation in her field. 

--People should use public transport instead of their own private cars.--- _______.The roads are too crowded as it is.

It is ______ to rain this afternoon.