Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

We spend about one-third of our lives sleeping. We know relatively little about sleep.

Choose the best answer from A, B, C or D to indicate the right answer to each of the following sentences.

Geometry is a branch of mathematics ______ the properties of lines, curves, shapes, and surfaces. 

Choose the best answer from A, B, C or D to indicate the right answer to each of the following sentences.

Education in many countries is compulsory ……. the age of 16

Choose the best answer from A, B, C or D to indicate the right answer to each of the following sentences.

Our industrial output________ from $2 million in 2002 to $4 million this year.

Choose the best answer from A, B, C or D to indicate the right answer to each of the following sentences.

She passed the National High School Graduation Exam with ______ colours.

Choose the best answer from A, B, C or D to indicate the right answer to each of the following sentences.

That cannot be a true story. He ______ it up

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Globally and internationally, the 1990's stood out as the warmest decade in the history of  weather records

Choose the best answer from A, B, C or D to indicate the right answer to each of the following sentences.

Nowadays, with the help of the computer, teachers have developed a ______ approach to teaching.