41.Either of the plans ______equally dangerous.
A.are B.is C.has D.have
42.The police ______the murderer everywhere when he suddenly appeared in a theatre.
A.is searching B.were searching for
C.are searching D.was searching for
43.Your trousers ______dirty, you must have______ washed.
A.is it B.are it C.are them D.is them
44.The Olympic games ______held every four ______.
A.is years B.are years C.is year D.are year
45.He is the oly one of the students who______elected.
A.are B.have C.has D.is
46. ______a good enough price for this book
A.Two yuans are B.Two yuan are C.Two yuans is D.Two yuan is
47.No bird and no beast ______in the lonely island
A.are seen B.is seen C.see D.sees
48.Every means ______prevent the water from______
A.are used to polluting B. get used to polluting
C.is used to , polluted D.is used to ,being polluted
49.Each of the ______in the ship.
A.passenger has his own room B. passengers have their own room
C.passenger have their own room D.sengers has his own room
50.What we need ______good textbooks.
A.is B.are C.have D.has
51.What you said just now______to do with the matter we are discussing.
A.have something B.has something C.had something D.was something
52.Either your parents or your elder brother ______to attend the meeting tomorrow.
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