Nga speaks English very well, _    ?

This is Dr. Ash calling. If anyone asks for me while I am away from the hospital, ask them to call back after four this afternoon

After driving for twenty miles, he suddenly realized that he has been driving in the wrong direction.

Jack London, whom was known for his stories of Alaska, lived there during the Klondike gold rush.

Because not food is as nutritious for a baby as its mother’s milk, many women are returning to the practice of breast feeding

Vitamin E, which is found in nutritious foods such as green vegetables and whole grains, action as an antioxidant in cell membranes.

David is talking to his friend, _    ?

Although ferns lack flowers, they do have leaves, stems, and root.

Choose the correct answer to complete the sentence. "I have advised you on _____ to cut down your energy use"

Jame Dickey’s first poem was published during he was still a senior in college

There are only ...........few seats left for …………… tonight's musical at ...........university. 

“ This is not a good essay,” said the lecturer. “I find your arguments convince”.

Hoover Dam in Nevada is a multi purpose structure that provides flood control, hydroelectric powerful, and drinking and irrigation water

They met him at the party last night, _    ?

Generally speaking, a magnitude 1.0 earthquake on the Richter scale is detected by instruments but not by person.

Jill regrets having bought that second-hand laptop. She wishes she ______. 

Mosquitoes will accepts the malaria parasite at only one stage of the parasite’s complex life cycle.

Halifax is largest city and chief port of Nova Scotia and is the eastern terminus of Canada’s two great railway systems.

In many areas of the world, people need clothing for protection the weather.

If it is kept dry, a seed can still sprout up to forty years after their formation

The skin receives nearly the third of the blood pumped out by the heart.