TOEFL Grammar - Find the error
ScottsEnglish
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in TOEFL Test
Find the error.
There are 4 underlined sections in the text below. Select the one which is wrong.
While the development of antibiotics have helped lower the risk of bacterial infection, viruses continue to resist any possible treatment.
While the development of antibiotics have helped lower the risk of bacterial infection, viruses continue to resist any possible treatment.
A. development
B. have
C. infection
D. resist
While the development of antibiotics has helped lower the risk of bacterial infection, viruses continue to resist any possible treatment.
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