---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 |
She said that she _____ for someone to help her.
| A．waits | B．was waiting | C．is waiting | D．wait |
They preferred _____ in bed rather than _____ horses.
| A．to lie; to ride | B．lying; riding | C．to lie; ride | D．lying; ride |
-Could you _____ me your bike?
-Sorry, Tom _____ it already .
| A．borrow; has lent | B．borrow; lend |
| C．lend; has borrowed | D．lend; borrow |
Sam spends half an hour_____ TV every day.
| A．to watch | B．watching | C．watch | D．watches |
The girl’s dream came _____ in the end.
| A．true | B．truely | C．truly | D．truth |