Word Pairs


  • Type the correct word in the boxes from the pairs of words [in brackets].
  • Click the button at the bottom to check your answers.
  • Press the "refresh" button on your browser to play again.

The words
Would you like to be [able / ability] to see in the dark? One day this might be possible. Scientists have done tests on mice and have [gave / given] them the ability to see near-infrared light. This is a kind of light [waving / wave] that mice (and humans) cannot [normally / normal] see. Research teams from the University of Science and Technology of China and the University of Massachusetts Medical School changed the [visor / vision] of the test mice. They injected [specially / special] nanoparticles into their eyes. These tiny particles let the mice see [good / better] in the dark. The [effect / affect] of the injections lasted for [around / abound] 10 weeks. The scientists said the eyesight of the mice was not damaged and the eyes did not suffer from any [edge / side] effects.

The research is now [published / publish] in the research journal 'Cell'. The researchers say they [hope / hoping] the same tests could be [done / doing] with humans. Researcher Dr Tian Xue explained what he hopes for the future. He said: "Human beings have been trying [to / for] develop new technology to enable abilities that are beyond our [naturally / natural] abilities." He said future tests could [bet / let] humans see things in the dark that they cannot [see / seeing] now. Dr Tian added: "Another [cool / cold] thing about this potential technology is that it wouldn't require a person to wear heavy and energy-intensive [equip / equipment] , such as night-vision goggles." He also said: "The military will very [liked / likely] be interested in this work."

Back to the night vision lesson.

Share this lesson

More Free Sites by Sean Banville

Online Activities