Intro to TOEFL

A leaf _______________ a waxy coat to prevent evaporation of water.

• have

• which has

• that which has

• has

The Great Lake _________________________ the largest bodies of fresh water in the world.

• which form

• forming

• forms

• they form

In the United States, _______________ is generally the responsibility of municipal governments.

• for water treatment

• water treatment

• where water treatment

• in which water treatment

Compressed air ________________ the power to drive pneumatic tools.

• by providing

• provides

• that provides

• provide

_____________________ the dollar as its monetary unit in 1878.

• Canada adopted

• Adopted by Canada

• It was adopted by Canada

• The Canadian adoption of

_______________ varieties of dogs at the show, including spaniels, poodles, and collies.

• The several

• Those

• Several

• There were several

Radioactive ____provides a powerful way to measure geologic time.

• it

• dates

• dating

• can

________________________antibiotics, is used to treat infections.

• The tetracycline, is a family

• The tetracycline, being a family

• The tetracycline, a family of

• The tetracycline, their family is

__________between Alaska and the continental U.S, runs more than 1,400 miles along the west

coast of North America.

• The Alaskan Highway is the main artery

• The Alaskan Highway that the main artery

• The Alaskan Highway, the main artery

• The Alaskan Highway the main artery is

Mammals _______________ into the placental, marsupials, and monomers.

• which are generally classified

• classified are generally

• are generally classified

• being generally classified