---Look! It must be Jack on the playground.
---It _____ be him. Because I saw him enter the school library just now.
| A．mustn’t | B．can’t |
| C．shouldn’t | D．may |
相关试题
The boy is Bob Green. His _________ is Bob.
| A．family name | B．last name |
| C．the first name | D．first name |
---What color is that pen?
--- It’s ________ green. It’s ________ green pen.
| A．a; a | B．the; a | C．/; / | D．/; a |
I’m really /'bizi/ this weekend, I don’t have much time.
| A．baby | B．but | C．busy | D．bill |
/ school .
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