Children who suffer from progressive muscular dystrophy are until the age of 10 or 12, when they are confined to wheelchairs.

a.
impeded

b.
restive

c.
ambulatory

d.
aggressive

Aman lives on the twelfth floor of an apartment building. every morning he takes the elevator down to the lobby and leaves the building. in the evening, he gets into the elevator, and, if there is someone else in the elevator -- or if it was raining that day -- he goes back to his floor directly. otherwise, he goes to the tenth floor and walks up two flights of stairs to his apartment.

Which statements about the controlling idea of a text are true? check all that apply.

What is the italicized part in the sentence , all of the operators are efficient.