B2 Reading Part 4 exercise 6

PART 4
For questions 1–6, complete the second sentence so that it has a similar meaning to the first sentence, using the word given. Do not change the word given. You must use between two and five words, including the word given.
I’m sure he is at home because his car is outside.

MUST

He because his car is outside.
It wasn’t necessary for you to bring a gift.

HAVE

You a gift.
Perhaps she missed the train.

MIGHT

She the train.
I’m sure they didn’t forget about the party.

CANNOT

They about the party.
It was a mistake to leave the door unlocked.

SHOULD

You the door unlocked.
Is it compulsory to wear a tie?

HAVE

Do I a tie?