- Only one of the following sentences is correct. Which one?   I think you'd better read the contract carefully before signing it

- Only one of the following sentences is correct. Which one?   We didn't enjoy this movie as much as the one we saw last week

- Only one of the following sentences is correct. Which one?   I couldn't have imagined a better holiday than the one I took last summer

- Only one of the following sentences is correct. Which one?   When I lent you the money, I trusted you would give it back to me as soon as possible

- Only one of the following sentences is correct. Which one?   He advised me not to trust her, but I didn't listen to him

- Only one of the following sentences is correct. Which one?   My father slowed down because there was a kitten in the middle of the road

- Only one of the following sentences is correct. Which one?   I phoned her three times before being able to speak to her

- Only one of the following sentences is correct. Which one?   It is important that you take everything you need with you

- Only one of the following sentences is correct. Which one?   I haven't been able to visit Portugal so far: what a pity!

- Only one of the following sentences is correct. Which one?   Laura is said to be a good skater, but I have never seen her skate, therefore I can't confirm it

- Only one of the following sentences is correct. Which one?   I must admit that it is rather difficult to solve this problem