The witness who appeared in court ____ to speak out the truth instead of covering it up．
A．encouraged B．has been encouraging
C．was encouraging D．had been encouraged
Several years ago they found in England a tomb of a man ____ from around 2,300 B．C．
A．dated B．dating C．dates D．to date
—Why did you leave the water running in the sink?
—My goodness! I guess I ____ to turn off the tap．
A．forgot B．have forgotten C．forget D．had forgottten
Washington, a state in the United States, was named _____ one of the greatest American presidents．
A．in favor of B．by means of ． C．in honour of D．in spite of
____ you ask many different questions will you acquire all the information you need to know．
A．If only B．As far as C．So long as D．Only if
Have you ever wondered why some of the smartest students in your class sometimes ____ failing exams?
A．take up B．pick up C．come up D．end up
