SpeakOut B2 Unit 5.1 Compound Nouns (practice)

The _____ of the experiment was not possible to guess.

The fact it doesn’t work underwater is a major ____.

The _______was made when he was working late in the laboratory one night.

There is _____ between the performance of the engine and the need for it to be economical.

Scientists don’t often make _____ that are this important.

Even though it had a number of ______, the first design was chosen.

There is _____ between making the battery bigger and increasing the weight of the product.

The _____ of this material is the cost.

The engine used in the early model had many ____.

The _____ of the modifications was an increase in the product’s efficiency.

Over 100,000 kilometres, this vehicle had no _____.

The biggest _____ of the product was its reliability.