How much times did Rick and Jennifer have to do experiment before they obtained the results they had been expecting ?

Nancy said that she went to the supermarket before coming home.

Humus is formed during microorganisms decompose animal and plant material into usable elements by plants .

Some of  stiffest competitions the jackals face on the plains Africa comes from vultures

We have rented two video and watched them with some friends last night.

I think Martha was pleased _________ the gift I gave her for her birthday. 

The number of students attend class dwindled until only  two remained 

We really enjoyed children’s imaginative and excited play last Saturday.

Cotton fiber, like other vegetablfibers, are composed mostly of cellulose

Can I borrow your scissors? Mine …….not sharp enough. 

In the beginning, radios cost much more than they today because they turned out slowly and expensively by hand.

To receive (a degree from an American university, one must take many courses beside thos one’s major fiel

Choose the best option:

Thank you very muck for your gift on my birthday.

All the students are looking forward spending their free time relaxing in sun this summer.

Choose the best option:

I am used ___ my sleep interrupted by the noise because I have lived in this region for more than 20 years.

Nylon, a synthetic done from a combination o water, air and product a coal, was first introduce in 1938

Every year, tornadoes cause (a lot of damages to property and tremendous loss of human and animal life 

Many poets enhance their work by creating contrast among realism and symbolism given poem.

Most modern barns are both insulated, ventilated and equipped by electricity

A dark nebula consists of a cloud of interstellar dust enough dense to obscure star beyond it.

Commercially honey is heated and filtered in order stabilize and clarity it.