Jack, _____ friend, went back to America last Monday.
A me B I C my D mine
It was in this house ________ the villagers held the secret meeting.
| A．where | B．in which |
| C．that | D．when |
The little boy won’t go to sleep ________ his mother tells him a bedtime story.
| A．or | B．but | C．whether | D．unless |
He’s posted the letter, _________ he?
| A．isn’t | B．doesn’t |
| C．hasn’t | D．wasn’t |
________ yourself at the end of the meeting if you have different opinions.
| A．To express | B．Expressing |
| C．Express | D．Expressed |
Johnny, you ________ play with the knife. You ________ hurt yourself.
| A．won’t; can’t | B．mustn’t; may |
| C．shouldn’t; must | D．can’t; should |