John ______ leave for New York tomorrow, but I’m not sure.

—I heard they went skiing in the mountains last winter. —It       true because there was little snow there.

 My sister met him at the street yesterday afternoon, so he __________ your lecture.

Finally, the team reached the top of the mountain,       they found some rare plants.

Our English teacher is considerate, helpful, and warm-hearted, but sometimes she     Be angry at our silly mistakes.