John, look at the time. __________you play the piano at such a late hour?
| A．Must | B．Can | C．May | D．Need |
My friend Martine was very sick with a strange fever; ______, he could neither eat nor sleep.
| A．with the result that | B．after all | C．in turn | D．as a result |
–Is Bob still performing?
-I’m afraid not. He is said_________ the stage already as he has become an official.
| A．to have been left | B．to leave | C．to have left | D．to be left |
_____ in the queue for an hour,Tom suddenly realized that he had left his wallet at home.
| A．To wait | B．Have waited | C．Having waited | D．To have waited |
—How do you deal with the disagreement between the compnay and the customers ?
--- The key ________ the problem is to meet the demand _________ by the cutmoerss.
| A．to solving ,making | B．to solving ,made | C．to solve , making | D．to solve, made |
_______ is no doubt that the Rockets will defeat the Washington Wizards in the next game.
| A．It | B．As | C．That | D．There |