Toefl (Skill 1-5)

The North Platte River ... from Wyoming into Nebraska.

• it flowed

• flows

• flowing

• with flowing water

Answer explanation

Add s/es in the end of the verb for the third singular subject

... Biloxi received its name from a Sioux word meaning "first people."

• The city of

• Located in

• It is in

• The tour included

A pride of lions ... up to forty lions, including one to three males, several females, and cubs.

• can contain

• it contains

• contain

• containing

... tea plant are small and white.

• The

• On the

• Having flowers the

• The flowers of the

The tetracyclines, ... antibiotics, are used to treat infections.

• are a family of

• being a family

• a family of

• their family is

Any possible academic assistance from taking stimulants ... marginal at best.

• it is

• there is

• is

• as

Henry Adams, born in Boston, ... famous as a historian and novelist.

• became

• and became

• he was

• and he became

The major cause ... the pull of the Moon on the Earth.

• the ocean tides are

• of ocean tides is

• of the tides in the ocean

• the oceans' tides

Still a novelty in the late nineteenth century, ... limited to the rich.

• was

• was photography

• it was photography

• photography was

A computerized map of the freeways using information gathered by sensors embedded in the pavement ... on a local cable channel during rush hours.

• airs

• airing

• air

• to air