Complete the following sentences.
1Among biometric verification technologies, fingerprint scanning is probably the best because it ............... good performance and is affordable.
Wrong!
Use the present simple "delivers" to describe a general fact about fingerprint scanning.
2Glaciers are usually found in high altitudes and latitudes ............... large amounts of snow build up and freeze into ice.
Wrong!
Use "where" to refer to the places in which large amounts of snow build up and freeze.
3The amplifier in a radio strengthens the radio waves it receives, and the speaker changes them back into the original sound waves that ............... into the microphone in the studio.
Select 2 answers.
Wrong!
Use the past simple "went" to refer to the original sound waves before they were transmitted, or the present simple "go" to continue the general description of how radio works.
4Kosovo, a former territory of Serbia, ............... itself a sovereign and independent state in February 2008.
Wrong!
Use the past simple active verb "declared" for a completed historical action in February 2008.
5During Ottoman rule, Christian Serbs in Kosovo emigrated, and the region ............... increasingly populated by Albanians, who were largely Muslim.
Wrong!
Use the past simple "grew" for a completed historical development during Ottoman rule.
Exercise complete
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Answers
- Among biometric verification technologies, fingerprint scanning is probably the best because it delivers good performance and is affordable.
- Glaciers are usually found in high altitudes and latitudes where large amounts of snow build up and freeze into ice.
- The amplifier in a radio strengthens the radio waves it receives, and the speaker changes them back into the original sound waves that went / go into the microphone in the studio.
- Kosovo, a former territory of Serbia, declared itself a sovereign and independent state in February 2008.
- During Ottoman rule, Christian Serbs in Kosovo emigrated, and the region grew increasingly populated by Albanians, who were largely Muslim.