B2 grammar

Don't forget to post the letters _________ you go out.

Are you going to the club tonight? You _____ pay an entrance charge if you arrive before 8pm.

I heard in ____ news today that the flights will be disrupted.

If he ______ a second time, he wouldn't have succeeded.

A: Do you want to go to the cinema tonight? B: I'm afraid I can't. I _____ Julia this evening.

He wouldn't be very happy if he _______ his daughter had been in trouble again.

If you like modern art, you ______ really visit the new exhibition at the museum.

She woke with a bad stomach ache. It _______ something she'd eaten.

You're so late! What __________________ you?

We've been colleagues for ages. I _________ him since I first moved to London.