Chic English - Structure 13

Under the guidance of choreographers, Martha Graham and Jerome Robbins, American dance --- new levels of artistic achievement.

• reaching

• has reached

• reach

• have reached

Angiosperms inhabit relatively diverse environments and may be found --- higher plants can survive.

• there

• wherever

• somewhere

• then

Magnesium has a specific gravity of 1.74, which means that --- 1.74 times as much as an equal volume of water.

• it is weighed

• weighing it

• its weight

• it weighs

Perhaps the primary --- of adult education was industrialization, which accelerated the pace of socioeconomic change.

• causes growth

• cause of the growth

• cause was growing

• caused the growing

--- as the census taker of the sky Annie Jump Cannon contributed considerably to the field of astronomy.

• Known

• Knowing

• To know

• Knowledge

During adolescence many young people begin to question --- held by their families

• values

• of the values

• the values are

• are the values

Coral reefs are --- that teem with an abundance of exotic sea life

• when underwater landscapes

• landscapes being underwater

• underwater the landscapes

• underwater landscapes

With affection and humor, poet Phyllis McGinley ---of ordinary life.

• the virtues were praised

• praised the virtues

• she praised the virtues

• her praise of the virtues

Scientists think ---helps some tree to conserve water in the winter.

• when losing leaves

• leaves are lost

• that losing leaves

• the leaves losing

Lunar eclipses occur each time the Earth blocks the Sun‘s light from the Moon --- the Moon‘s full phase.

• during

• whether

• in which

• whenever