Share SpeakOut B2 Unit 5.1 Compound Nouns (practice)
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Scientists don’t often make _____ that are this important.
breakthroughs
The _______was made when he was working late in the laboratory one night.
breakthrough
The _____ of the experiment was not possible to guess.
outcome
The _____ of the modifications was an increase in the product’s efficiency.
outcome
There is _____ between making the battery bigger and increasing the weight of the product.
a trade-off
There is _____ between the performance of the engine and the need for it to be economical.
a trade-off
The _____ of this material is the cost.
downside/drawback
The biggest _____ of the product was its reliability.
downside/drawback
The engine used in the early model had many ____.
breakdowns
Over 100,000 kilometres, this vehicle had no _____.
breakdowns
The fact it doesn’t work underwater is a major ____.
drawback/downside
Even though it had a number of ______, the first design was chosen.
drawbacks/downsides
