They share the housework …..................... between them.
Warmth, moisture, and oxygen are three necessary requirements ................. most seedlings.
An advisor to both Franklin Delano Roosevelt and Harry Truman, .................of Bethune Cookman College.
About 20 miles from Boston, .................. a little town named Concord that has a rich history.
.................. actress's life is in many ways unlike that of other women.
In mathematics, a variable is a symbol ................. some element of a set.
................. the fifth largest among the nine planets that make up our solar system.
With new technology, cameras can take pictures of underwater valleys................... color.
A dolphin six ................... length can move as fast as most ships.
Generally speaking, people should have ................... as their desires will allow.
It is earth's gravity that ................... people their weight.
Children learn primarily by ................... the world around them.
..................., the nation's capital remained in Philadelphia, Pennsylvania.
Of Charles Dickens' many novels, expectations perhaps ................... to many readers.
................... on the environment for the gratification of its needs.
The earth spins on its axis and ................... 23 hours, 56 minutes and 4.09
seconds for one complete rotation.
................... in Shanghai than in any other city in China.
On the slope of Long's Peak in Colorado ................... the ruin of a gigantic tree.
On Mercator's maps, the far northern and southern polar regions are....................
Not only knowledge and skills, but also attitudes ................... in school for students' future adjustment to society.
Modern industrial methods have supplanted individual crafts, ................... stone carvers, coopers, and cobblers virtually extinct.
Napoleon ................... the West Indian island of Santo Domingo in 1801.
America's first globe maker was James Wilson, who ................... and blacksmith in his earlier life.
This is the factory ................................. at work.
Antonio Gaudi, architect of Barcelona's Holy Family Church, died before seeing ............... the structure.
Each fiber in the bundle …………….. only a tiny fraction of the total image.
............... photosynthesis were to stop, life would disappear from the planet Earth relatively quickly.
Abner Doubleday, ..............., was credited with the invention of baseball in 1839.
............... gene-bearing bodies within the nuclei of living organisms.
............... billions and billions of stars exist in the vast space beyond our Milky Way galaxy.
Experiments in the sonic imaging of moving objects ............... in both the United States and Europe well before the Second World War.
Sanford Meisner ............... the Neighborhood Playhouse in New York City.
............... his highly individual conceptions of music and chaos, John Cage became a leading figure in avant-garde music.
Physicians can look into the lungs, heart and other areas that were formerly…………….. to them.
The basic fiber-optics system is called a fiberscope, ………… Consists of two bundles of fibers.
No one has been able to satisfactorily explain how or ………… The Moon sporadically sparks.
In 1778, he ……………… to London to study with Benjamin West for four years.
The crime rate has continued to rise in American cities despite efforts on the part of both government and private citizens to curb ................
Earl was one of the first American artists …………………. landscapes.
Tea loses its flavor quickly …………………… in the hold of a vessel.
The ships had their days of …………………. in the 1840s and 1850s.
Clipper ships were the swiftest sailing ships that …………………. to sea and the most beautiful.
Farmers look forward to ............... every summer.
Professional people expect ............... when it is necessary to cancel an appointment.
The salary of a bus driver is much higher ................
If one of the participants in a conversation wonders ............... no real communication has taken place.
Employers often require that candidates have not only a degree .............
Put plants ............... a window so that they will get enough light.
The mausoleum is ................. by Thien Thu mountain, two towering columns and a vast expanse of water.
A well-known large natural lake is Lake Tahoe, ................. straddles the California-Nevada border.