—May I take a photo here?—No, you _________. Look at the sign. It __________ “No photos!” here. 

--What’s wrong whti you, Eric? You look tired.--I ______________  late to prepare for the final exam last night.

Their friendship broke ______ because they had a flight.

—Tom wants to know if you ________ a picnic next Sunday.—Yes. But if it ________， we'll visit the museum instead.

—Jim, your bedroom is so dirty.—Sorry, Mum. I ________ it at once.