Little Tom tiptoed quietly to the bird, but ______ into the forest when he was about to catch it.
The rescue team ______to help but failed to get there in time.
--Will you two go to the show tomorrow?---No. We're going to a lecture, or at least I'm planning ____.
I'd love ___ to your party last Sunday if not because of the unexpected guests.
____ the temperature falling so rapidly, we couldn't go on with the experience.
--- Do you know Uncle Tom is crazy about gardening? ---Sure. He ____ his flowers in the garden now.