The development of industry has been _____ gradual process throughout _____ human existence, from stone tools to modern technology.
When _______ America and Britain , this famous writer said that the same language _____ the two people.
Jane is a smart girl in the class who is prettier than _______.
The driver as well as ____ passengers ______ injured.
The English Channel , ______ England from France , is wide enough for her to swim across.
– What makes her so upset?--- ___________.