I _______stop by sometime and thank her for all her help．
A．need B．have to C．must D．may
The news _______ Barack Obama won the Nobel Peace Prize is _______ surprised the world．
A．that；what B．which；that C．that；which D．/；how
—There is only 15 minutes left for work．What shall we do?
—My God! There are always not any taxis when you want _______．
A．one B．it C．that D．any
Everybody’s excited because Thanksgiving is _______．It’s time to plan for it．
A．ahead of time B．right away
C．in time D．just around the corner
Leif followed Biarn’s directions and sailed to _______is believed to be the coast of present-day Canada.
A.which B.what C.where D.that
By around 900 AD,there were many places in Northern Europe______the Vikings chose to live.
A.in which B.when C.which D.at which
