Duolingo English Test Practice Questions — All Questions

His ___ to finish the marathon impressed everyone. Which choice is correct?

• a.determine
• b.determined
• c.determination✓
• d.determinedly

After the possessive 'his', a noun is needed: 'determination'. 'Determine' is the verb and 'determined' the adjective.

The team worked ___ to meet the deadline. Which choice is correct?

• a.hard-working
• b.hard✓
• c.hardness
• d.harder than

Here 'hard' is itself an adverb meaning with great effort: 'worked hard'. Note that 'hardly' would wrongly mean 'barely'.

The movie was surprisingly ___, and we left feeling inspired. Which choice is correct?

• a.move
• b.movement
• c.moved
• d.moving✓

The adjective describing the movie's effect is 'moving' (emotionally touching). 'Moved' would describe how a person feels, not the film itself.

We need to ___ our plans because of the storm. Which choice is correct?

• a.change✓
• b.changeable
• c.changing
• d.changeably

After 'to', the base verb is needed: 'change'. 'Changeable' is an adjective and does not follow the infinitive marker.