TOEFL EXERCISE SKILLS 9-10

Modern humans, who first appeared about 600,000 years ago, _____ Homo sapiens.

• calling

• were called

• they called

• they were called

The first writing _____ evidence of is on Mesopotamian clay tablets.

• we

• that are

• has

• that we have

_____ drought-resistant plants which store water in fleshy tissue.

• Succulents are

• Succulents

• They are succulents

• Succulents which are

Benjamin Kabelsky, whom ____ as Jack Benny, was a famous comedian in vaudeville and on radio and  television.

• most people’s knowledge

• most people know

• knowing most people

• the knowledge of most people

_____ that hunted other animals tended to have very narrow, sharp, curved claws.

• For dinosaurs

• Dinosaurs are known

• Dinosaurs

• Like dinosaurs

The first eyeglasses had convex lenses for the aged who ____ farsighted.

• had become

• they had become

• becoming

• it became

Chimney Rock, ____ 500 feet above the North Platte River, has eroded considerably in the last two centuries,

• stands

• is standing

• it stands

• which stands

_____ that accompany recurring bouts of severe depression reduce bone density.

• It changes hormones

• Hormonal changes

• The hormones change

• The change in hormones is

Willa Cather is an author _____ for her evocative and memorable vision of frontier prairie life.

• whom readers

• the praise of readers

• whom praisings

• whom readers praise

Mars’s tiny moon Phobos is a small mountain of rock that _____ from the asteroid belt by Mars’s gravitational pull.

• was probably captured

• it probably

• the probable capture

• probably the capture