The boss has given everyone a special holiday, so we ________ go to work tomorrow.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
You have a big mouth, Tom．You ___ have told everybody the secret．
| A．can'1 | B．mustn't | C．shouldn't | D．mightn't |
My dog made a mess in the living room, ______ really annoyed me．
| A．who | B．when | C．that | D．which |
They made a great effort to prepare the exhibition, ______ to achieve a big success．
| A．hoped | B．hoping | C．to hope | D．hope |
It is still unclear ______ the little boy got the CD player to work．
| A．where | B．what | C．that | D．how |
—Ring me at six tomorrow morning, will you?
—Why that early? I ____.
| A．will be sleeping | B．will sleep |
| C．have slept | D．have been sleeping |