Glucose does not have to be digested, _______ it can be put directly into the bloodstream.

Bats use echoes of their own high – frequency sounds to detect food and avoiding obstacles.

When the children realized that they were by themselves in the dark, they became really frightening

He got a new alarm clock_______ he'd get up on time.

Jane is beautiful and intelligent________

To remove stains from permanent press clothing, carefully soaking in cold water before washing with a regular detergent.

Scientists are still uncertain of what the universe originated millions of years ago.

Mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each:
A surprising number of popular spectator sports, for example football or baseball, ______ in Europe or the USA in the nineteenth century. 

Thanks to a considerable number of material data, we know pretty much about ancient Egypt, but few historical records of Babylon are available.

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

She closed the door_______ left for the city.

The National Basketball Association will not let any athlete to continue playing in league unless he submits voluntarily to treatment for drug addiction.

We chose to take a trip to the Far East because it was advertised as adventurous and intrigued

Flying is not only faster, _______ safer than traveling by car.

Electric wires carry current for lighting and outlets designing for household appliances

You should know by now that I cannot stand it when my steak is not cooked properly as I always have mine well-made 

In safari parks, which wild animals roam freely, visitors are forbidden to get out of their cars

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

Many heavy work that was once done by hand can now be done more easily with the help of compressed air

Before she moved to California, with its much milder climate, Betty found that her health improved considerably

The living room was enough large to accommodate two long sofas easily