Choose the error in the following sentence.

The four richest nations of the world have assets worth more than the collective assets of the seventy poorest nations of the world.

The following sentences denote the same word belonging to different parts of a speech according to the way in which they are used. Choose the correct option that illustrates their use. Sentence 1: Since that day, l have not seen him. Sentence 2: Since there is no help, let us f‌lnlsh these ourselves.

Choose the error in the following sentence. Many things have happened once I left school.

He is coming at this very moment. What are the words underlined in the sentence above examples of?

Which of the following sentences is an example of adversative conjunction?

Choose the correct option to change the active voice in the sentence given below into passive voice. The Romans expected to conquer Carthage.

Which statement describe 'applied research' most accurately?

When is a researcher allowed to modify data?

Differences between standard writing and academic writing?

What are collocations?

Which common collocations in the English language are used in academic writing?