WorksheetsStructure Practice Skill 9-10
Total questions: 10
Worksheet time: 5mins
Modern humans, who first appeared about 600,000 years ago, _____ Homo sapiens.
(A) calling
(B) were called
(C) they called
(D) they were called
The first writing _____ evidence of is on Mesopotamian clay tablets.
(A) we
(B) that we
(C) has
(D) that we have
_____ drought-resistant plants which store water in
fleshy tissue.
(A) Succulents are
(B) Succulents
(C) They are succulents
(D) Succulents which are
Benjamin Kabelsky, whom ____ as Jack Benny, was a famous comedian in vaudeville and on radio and television.
(A) most people’s knowledge
(B) most people know
(C) knowing most people
(D) the knowledge of most people
_____ that hunted other animals tended to have very narrow, sharp, curved claws.
(A) For dinosaurs
(B) Dinosaurs are known
(C) Dinosaurs
(D) Like dinosaurs
The first eyeglasses had convex lenses for the aged who ____ farsighted.
(A) had become
(B) they had become
(C) becoming
(D) it became
Chimney Rock, ____ 500 feet above the North Platte River, has eroded considerably in the last two centuries.
(A) stands
(B) is standing
(C) it stands
(D) which stands
_____ that accompany recurring bouts of severe depression reduce bone density.
(A) It changes hormones
(B) Hormonal changes
(C) The hormones change
(D) The change in hormones is
Willa Cather is an author _____ for her evocative and memorable vision of frontier prairie life.
(A) whom readers
(B) the praise of readers
(C) whom praisings
(D) whom readers praise
Mars’s tiny moon Phobos is a small mountain of rock that _____ from the asteroid belt by Mars’s gravitational pull.
(A) was probably captured
(B) it probably
(C) the probable capture
(D) probably the capture
