It was never clear _______ the man hadn’t reported the accident sooner.
| A．that | B．how | C．when | D．why |
I’m really tired _______ Tom.. He had me _________ for two hours in the rain.
| A．of, waiting | B．with; wait | C．of; waited | D．with; waited |
Those experienced doctors in our country _______the meeting in order to find out the real_______ of bird flu(禽流感).
| A．attended; cause | B．joined; reason | C．joined; cause | D．attended; reason |
I shall never forget the days_________ I lived with my parents as a child, _________ has a great effect on my life.
| A．that; which | B．when; which | C．which; that | D．when; that |
If you cheat in the exam, you could hardly _________ it.
| A．throw away | B．get away | C．get away from | D．get away with |
Don’t worry about Mary. _______ , she is no longer a child any more.
| A．At all | B．After all | C．In all | D．Above all |