选词填空。 am is are (1)There ____ an apple in the bag. (2)I ____ a student. (3)There ____ five books on the desk. (4)There ____ a Chinatown in New York. (5)There ____ many birds in the tree.
He _______ very upset this week, he _______ better next week.
Peter _______ here next month.
There _______ a meeting tomorrow afternoon.
—Did the thieves _______ into the car? — No, they______.
—_______ he_______ his lunch? 一Yes, he did.