Choose the best option:

Certain chemicals have been banned because of their damaging effect on the environment.

Although apples do not grow during the cold season, apple trees must have a such season in order to flourish.

David attended .......... Princeton University. 

A fragrant plant has tiny sacs that makes and stores the substances that give it a pleasant odor.

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

If drivers obeyed the speed limit, fewer accidents occur. 

I did not realize that I had left my umbrella on the bus when it started to rain.

You'll be at home tonight, _    ?

The government raises money to operate  by tax cigarettes, liquor, gasoline, tires, and telephone calls.

It is possible for local wildlife to coexist ...... industry.

The author has not rarely written anything that was not a best-seller.

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

If I had known he is not at home, I wouldn’t have gone all the way to his house. 

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

The world oceans have risen on average of 6 inches over the past 100 years, which has been considered as an evidence that global warming has an effect.

Justice is often personified as a blind folded woman to hold a pair of scales.

Choose the correct answer to complete the sentence. "Global warming occurs when the greenhouse gases in the atmosphere trapthe heat_______ the sun"

The medical problems of parents and their children tend to be very similar to because of the hereditary nature of many diseases.

Choose the correct answer to complete the sentence. "These companies were accused _____ having released a large amount of carbon dioxide into the atmosphere."

All of the mammals, dolphins are undoubtedly among the friendly to human.

In the 1920’s, cinema became an important art form and one of the ten largest industry in the United States.

Our house has been redecorated last week. You can still smell paint when you enter and the wallpaper has a striking contrast with the floor.

The wooden fence surrounded the factory is beginning to fall down because of the rain.