_______ in thought, he almost ran into the car in front of him.

A well-known example of the large scale destruction of an ecosystem through vegetation removal to accommodate tourist facilities is the case of the _______.

Thegovernmentcalledoutpolicementosuppresstheriot.

Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.

The first task of a brochure is to _______.