—I wonder if you ____ a picnic tomorrow.—Yes. But if it ___, we’ll visit the museum instead.

--- Is Jason going to the party? --- I’m afraid not. He ________ to Hong Kong.

When I dropped in, Dr Smith _____, so we only had time for a few words.

—Did you meet the professor at the airport?—No，he ____ by the time I ____ there．

Thank you for ______________ me about it.