___________ speaking English well, the young girl can write good essays in the language

The old man has retired from the factory. He _____ there for 30 years.

Driving in rush hour traffic ______ be very dangerous, so you _____ be too careless.

It is estimated that there aremore than 40 universities in Britain–nearly ____ in 1960.

This kind of fruit _____ large amounts of vitamin, _____vitamin C. [ ]