Choose the best option to complete the following sentences.

Since the appearance of electronic devices, lessons have become more and more _____ and effective.

Choose the best answer to complete each sentence.

In order to be taken away and used everywhere, modern inventions have a tendency to be small and _____.

Choose the best answer to complete each sentence.

I had to buy a new washing machine as it would not have been                  to get it repaired.

Find the most suitable word to complete the following sentence:

She designs her own______ using woodblocks and stencils to create patterns on the material.

Mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions.

Who first ____________the Internet?

Mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions.

You need to ___________all the files for viruses before you download them.

Mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions.

Jeff ____________the software on all the office computers.