1. --- a lonely and rugged life, far from home and family.
(A) Wherever the early prospector lived
(B) The early prospector lived
(C) Not only did the early prospector live
(D) The early prospector living
2. Helium is --- all gases to liquefy and is impossible to solidify at normal air pressure.
(A) more than difficult
(B) the most difficult of
(C) more difficult of
(D) most difficult
3. Every year Canadian --- about 75 percent of their exports to the United States.
(A) businesses that sell
(B) selling businesses
(C) businesses sell
(D) that sell to businesses
4. An innovator, ballerina Augusta Maywood was --- a traveling company.
(A) to form the first
(B) the first to form
(C) who formed the first
(D) forming the first
5. When water freezes in the cracks of rocks, --- expands, causing the rocks to break apart.
(A) it
(B) but
(C) then
(D) and
6. With x – ray microscopes scientists can see through live insects --- even through solid pieces of metal.
(A) however
(B) nevertheless
(C) or
(D) yet
7. As resident of New Mexico, Dennis Chavez --- to the House of Representatives in 1930 and to the Senate in1938.
(A) when elected
(B) elected
(C) who was elected
(D) was elected