I am wondering ____ he expects will win the gold medal in Men's Single．
A．whom B．who C．which D．what
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
