——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 |
Mr Black must be worried about something. You can ____ it from the look on his face.
| A．reason | B．recognize | C．read | D．realize |
____ 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 |
I have no dreams ____ to have a happy life.
| A．rather than | B．more than | C．other than | D．less than |
This problem may lead to more serious ones if ____ unsolved.
| A．making | B．remained | C．keeping | D．left |