—Would you like to go out for a walk with us? —______, but I’m very busy now.
That’ s funny! I remember putting my glasses on the desk, but now they’re _____ .
---What happened to you yesterday? ---At the bus stop a thief _____ my handbag and ran off down the street.
---He failed his exam again. ---But what did you _____ ? Had he ever been working hard?
If Mr. Brown _____ his sister to attend the party, she will certainly be glad to.
---Excuse me, what time can I see you tonight? ---Can we _____ it eight o' clock?