[ Vocabulary ]
What does ‘innovation’ refer to?
A. The introduction of new things, ideas or ways of doing something
B. A room or building used for scientific research, experiments, testing, etc.
C. Facts or information, especially when examined and used to find out things or to make decisions
D. An area or a region with a particular feature or use
Select your answer:

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Participle & Appositive › ViewThe accident ____ a bus and two cars took the lives of four people and injured numerous others.
A. involving
B. To involve
C. To be involved
D. Involved
Grammar › View
Place the verb in past tense.
I ____ (swim) in the ocean last week.
A. swimmed
B. swam
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