_____ in the queue for half an hour, Tom suddenly realised that he had left his wallet at home．
| A．To wait | B．Have waited |
| C．To have waited | D．Having waited |
Daniel is the only one of the students in the class that never_____a mistake even when it is pointed out to him.
| A．admit making | B．admits making |
| C．admit to make | D．admits to make |
— Why are you always yawning, Kathy?
—I ______ all night reading Steve Jobs. That’s a fantastic book!
| A．stayed up | B．am staying up | C．stay up | D．will stay up |
Li Na, _____ most famous Chinese tennis player, narrowly missed the championship in Australia for _____ second time.
| A．the; / | B．a; a | C．a; / | D．/; the |
----How did your interview with the manager go?
---- ___He seemed interested in my experience, but he didn’t ask for references.
| A．Perfect! | B．I’m not sure. |
| C．That’s right. | D．Couldn’t be better. |
It __be the vocabulary that caused you the problem in the exercise because you know a lot of words.
| A．may | B．couldn’t | C．should | D．needn’t |