--- The party is so great!
--- Yes, but Johnson, we’ve got to go home. ______
--- Thank you. See you later.
| A．Enjoy yourself! | B．See you. |
| C．I’m very sorry. | D．What about you? |
----Will Mr. Smith join us in the party ?
----He would, but he _____not . He sometimes likes to stay alone.
A must B can C needD may
The notice ______ “No smoking”. A is told B reads C tells D is read
The doorbell had been ringing for several minutes before it ______.
A answered B had answered C was answering D was answered
The box _____. Better call in a mechanic(修理工).
A isn’t open B hasn’t been open C isn’t be open D won’t open
The workers _____busily when the boss came to look for something she ______in the office.
A had worked, had leftB were working ; had left C working ; had left D had worked; left