I think ____necessary for us _____the birds.
There are many __________ shops in this street. I want a pair of ________ shoes.
Please hand in __________ one-thousand-word composition tomorrow.
--- What did he _______ just now?---Sorry, I didn’t catch his words. I _______ about something else.
.Look at the beautiful woman, she teaches _____ English very well. She always makes her English classes ________.
---______ wonderful music! ---Yes, it’s written by Jay Chou, a pop singer.