EXERCISE 26.2 - ADVANCED GRAMMAR FOR TOEFL

During pioneer times, the Allegheny Mountains were a barrier major to transportation.

• pioneer times
• were
• barrier major
• to transportation

In Philadelphia's Franklin Institute, there is a working model of a human heart enough large for visitors to walk through.

• there is
• working model
• human heart
• enough large

The task of the cartographer is to represent the Earth's surface at a reduced greatly scale.

• task
• is to
• Earth's surface
• reduced greatly

Mutualism is a relationship between animal species which in both benefit.

• relationship between
• animal species
• which in
• both benefit

To grow well, a tree must be well-suited to the area where is it planted.

• grow well
• must be
• well-suited
• is it

The development of transistors made possible it to reduce the size of many electronic devices.

• development of
• possible it
• of many
• electronic devices

Twelve drawings usually have to be prepared for second each of animated film.

• usually have to
• prepared for
• second each
• animated film

Today many garden vegetables have few resemblance to the wild plants from which they come

• garden vegetables
• few resemblance
• wild plants
• from which

Sloths are moving slow, shaggy mammals that are often seen hanging upside down from tree limbs.

• moving slow
• often seen
• upside down
• tree limbs

Carbohydrates as such sugar or starches are important energy sources for humans and animals.

• as such
• starches
• energy sources
• humans and animals