I don' t think Xiao Li is ____ the other students ____ mathematics.
Sam has been appointed ________ manager of the engineering department to take _______ place of George.
The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________ he reaches these limits will depend on his environment.
________ struck me most in the movie was the father’s deep love for his son.
________ I want to tell you is the deep love and respect I have for my parents.
Many Europeans ________ the continent of Africa in the 19th century. A.exploded B.exposed C.explored expanded