TOEFL: Sentence with One Clause

The 1980 explosion of ________ the first volcanic eruption in the continental United States in over 60 years.

• Mount St. Helen

• was mount St. Helen

• it was mount St. Helen

• Mount St. Helen was

Static electricity ________ one cloud to another or between clouds and the ground creates lightning.

• flows from

• the flow from

• flowing from

• is flowing from

The Model T car, introduced in 1908, _________ $850.

• the price was

• a price of

• to be priced at

• was priced at

The Sherman Antitrust Act of 1890 ______ nearly unanimously through the United States Congress.

• passed

• in passage

• having passed

• passing

________ of classical ballet in the United States began around 1830.

• To teach

• Is teaching

• It was taught

• The teaching

________ lived on Earth for nearly 150 million years.

• Dinosaurs

• Dinosaurs who

• If dinosaurs

• Since dinosaurs

_________ along most of its length into an upper chamber and a lower chamber.

• The divided cochlea

• Dividing the cochlea

• The cochlea is divided

• With a divided cochlea

Many communities _____ a complex system of linguistic levels in order to show respect.

• useful

• use already made

• making it useful

• make use of

Stalactites are formed in caves by groundwater_______ dissolved lime.

• it contains

• containing

• contains

• containment

A group of winged reptiles_______ pterosaurs is believed to have been the first vertebrates with the power of flight.

• call

• called

• calls

• is called