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Hydrogen peroxide … as a bleaching agent.
Question 1:
Hydrogen peroxide … as a bleaching agent.
A.
used
B.
is using
C.
is used
These questions are from this test. Would you like to take a practice test?
Practice Quiz 106 | B2 – Upper-Intermediate
30 minutes
30 questions
Do test
Some questions from the same exam
She would certainly have attended the proceedings ... .
Our bodies are organized into many different systems, each of which has … function.
It’s the recommendation of psychologists … to associate words and remember names.
The crime rate has continued to rise despite efforts to curb … .
Fire safety in big buildings, … most fire deaths occur, is difficult to achieve.
In 1920 this city … .
… a busy city, it was destroyed by the eruption of a volcano.
Most people don’t object … them by their first names.
Fitness exercises can cause injuries … the participants are not careful.
The nuthatch … seven meters long.
Zoo animals must have a dentist … their teeth.
For his synthesis of ascorbic acid, he … the Nobel Prize.
The algebra of sets … Boolean algebra.
Before …, they used horse-drawn carts.
… was the day before yesterday.
True empathy, … and commitment to a principle, may surpass selfinterest.
Hydrogen peroxide … as a bleaching agent.
… the news from war zones is censored.
The tallest bird in our country … two meters tall.
The medical doctor was worried because the patient appeared listless and … .
… the best car to buy is a Citroen.
Even people who have little technical background have … to understand computer language.
A bat will often spend the daylight hours … upside down.
This university’s programs … those of Stanford.
Warmth, moisture and oxygen are requirements … most plants.
… have captured the spirit of freedom as well as her.
The incidence of anorexia nervosa, …, is growing in many societies.
People work for many reasons … .
Farmers look forward to … every season.
Perspiration increases … vigorous exercise or hot weather.
Some other questions you may be interested in
Sherlock Holmes once refers to a story for which the world is not yet prepared and which was never the subject of a Conan Doyle tale. What did the mysterious story concern?
How many times in the complete Sherlock Holmes stories by Conan Doyle does Holmes use the phrase Elementary, my dear Watson.?
Sherlock Holmes once states that he has recognized foul play by noticing the depth which parsley had sunk into butter.
Where is the gemstone found in the Sherlock Holmes story The Adventure of the Blue Carbuncle?
What pattern of bullet holes did Sherlock Holmes create on the interior wall of his lodgings, apparently just for pistol shooting practice?
At home, where did Sherlock Holmes keep his smoking tobacco?