--- How much vinegar(醋) did you put in the soup ?
--- I’m sorry to say , _______. I forgot .
| A．no | B．no one | C．nothing | D．none |
——Can I pay the bill by check?
——Sorry, sir. But it is the management rule of our hotel that payment ____ be made in cash.
| A．shall | B．need | C．will | D．can |
The professor walked onto the platform and seated himself in a chair, ____ for answering questions.
| A．had prepared | B．being prepared | C．preparing | D．prepared |
Mr Black must be worried about something. You can ____ it from the look on his face.
| A．reason | B．recognize | C．read | D．realize |
Many teens don’t get enough sleep because they have too much homework, which ____ them up at night.
| A．makes | B．breaks | C．turns | D．keeps |
____ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.
| A．That | B．What | C．In spite of what | D．Though what |